EP2740249 - EVENT-BASED KEEP ALIVE TIMES IN COMMUNICATION NETWORKS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.07.2020 Database last updated on 30.10.2024 | |
Former | The patent has been granted Status updated on 31.05.2019 | ||
Former | Grant of patent is intended Status updated on 28.02.2019 | ||
Former | Examination is in progress Status updated on 17.02.2017 | Most recent event Tooltip | 08.07.2022 | Lapse of the patent in a contracting state New state(s): MK | published on 10.08.2022 [2022/32] | Applicant(s) | For all designated states Texas Instruments Incorporated P.O. Box 655474 Mail Station 3999 Dallas, TX 75265-5474 / US | [2019/27] |
Former [2014/24] | For all designated states Texas Instruments Incorporated P.O. Box 655474 Mail Station 3999 Dallas, TX 75265-5474 / US | Inventor(s) | 01 /
VIJAYASANKAR, Kumaran 7575 Frankford Road Apt. 1725 Dallas, TX 75252 / US | 02 /
VEDANTHAM, Ramanuja 959 Pelican Drive Allen, TX 75013 / US | 03 /
LU, Xiaolin 4408 Cedar Valley Drive Plano, TX 75024 / US | [2014/24] | Representative(s) | Zeller, Andreas, et al Texas Instruments Deutschland GmbH Haggertystraße 1 85356 Freising / DE | [2019/27] |
Former [2014/24] | Holt, Michael Texas Instruments Limited European Patent Department 3rd Floor 401 Grafton Gate Milton Keynes MK9 1AQ / GB | Application number, filing date | 12788867.5 | 29.05.2012 | [2019/27] | WO2012US39799 | Priority number, date | US201161490187P | 26.05.2011 Original published format: US 201161490187 P | US201261605400P | 01.03.2012 Original published format: US 201261605400 P | US201213473323 | 16.05.2012 Original published format: US201213473323 | [2014/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | WO2012162691 | Date: | 29.11.2012 | Language: | EN | [2012/48] | Type: | A2 Application without search report | No.: | EP2740249 | Date: | 11.06.2014 | Language: | EN | The application published by WIPO in one of the EPO official languages on 29.11.2012 takes the place of the publication of the European patent application. | [2014/24] | Type: | B1 Patent specification | No.: | EP2740249 | Date: | 03.07.2019 | Language: | EN | [2019/27] | Search report(s) | International search report - published on: | KR | 21.03.2013 | (Supplementary) European search report - dispatched on: | EP | 18.03.2015 | Classification | IPC: | H04L29/02, H04L29/12, H04L12/26, H02J13/00, H04L12/841 | [2015/16] | CPC: |
H04L47/28 (EP,US);
H04L43/10 (EP,US);
H02J13/00006 (EP,US);
H04L43/0811 (EP,US);
H04L67/12 (EP,US);
H04L69/28 (EP,US);
H04W84/18 (EP,US);
Y02E60/00 (EP);
Y04S40/00 (EP,US);
|
Former IPC [2014/24] | H04L29/02, H04L29/12 | Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2014/24] | Extension states | BA | Not yet paid | ME | Not yet paid | Title | German: | EREIGNISBASIERTE KEEP-ALIVE-ZEITEN IN KOMMUNIKATIONSNETZEN | [2014/24] | English: | EVENT-BASED KEEP ALIVE TIMES IN COMMUNICATION NETWORKS | [2014/24] | French: | TEMPORISATIONS DE SURVIE À BASE D'ÉVÉNEMENTS DANS DES RÉSEAUX DE COMMUNICATION | [2014/24] | Entry into regional phase | 10.04.2014 | National basic fee paid | 10.04.2014 | Search fee paid | 10.04.2014 | Designation fee(s) paid | 10.04.2014 | Examination fee paid | Examination procedure | deleted | Deletion: Application deemed to be withdrawn, date of legal effect [2014/24] | 31.01.2014 | Despatch of communication that the application is deemed to be withdrawn, reason: filing fee / search fee not paid in time [2014/24] | 10.04.2014 | Examination requested [2014/24] | 08.10.2015 | Amendment by applicant (claims and/or description) | 17.02.2017 | Despatch of a communication from the examining division (Time limit: M04) | 02.06.2017 | Reply to a communication from the examining division | 02.10.2017 | Despatch of a communication from the examining division (Time limit: M04) | 30.01.2018 | Reply to a communication from the examining division | 18.05.2018 | Despatch of a communication from the examining division (Time limit: M06) | 15.11.2018 | Reply to a communication from the examining division | 01.03.2019 | Communication of intention to grant the patent | 16.05.2019 | Fee for grant paid | 16.05.2019 | Fee for publishing/printing paid | 16.05.2019 | Receipt of the translation of the claim(s) | Divisional application(s) | The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 17.02.2017 | Opposition(s) | 03.06.2020 | No opposition filed within time limit [2020/33] | Request for further processing for: | The application is deemed to be withdrawn due to non-payment of the search fee | 10.04.2014 | Request for further processing filed | 10.04.2014 | Full payment received (date of receipt of payment) Request granted | 28.04.2014 | Decision despatched | The application is deemed to be withdrawn due to non-payment of the filing fee | 10.04.2014 | Request for further processing filed | 10.04.2014 | Full payment received (date of receipt of payment) Request granted | 28.04.2014 | Decision despatched | The application is deemed to be withdrawn due to non-payment of the examination fee | 10.04.2014 | Request for further processing filed | 10.04.2014 | Full payment received (date of receipt of payment) Request granted | 28.04.2014 | Decision despatched | 10.04.2014 | Request for further processing filed | 10.04.2014 | Full payment received (date of receipt of payment) Request granted | 28.04.2014 | Decision despatched | The application is deemed to be withdrawn due to non-payment of designation fees TR, SM, SK, SI, SE, RS, RO, PT, PL, NO, NL, MT, MK, MC, LV, LU, LT, IT, IS, IE, HU, HR, GR, GB, FR, FI, ES, EE, DK, DE, CZ, CY, CH, BG, BE, AT, AL | 10.04.2014 | Request for further processing filed | 10.04.2014 | Full payment received (date of receipt of payment) Request granted | 28.04.2014 | Decision despatched | Fees paid | Renewal fee | 02.06.2014 | Renewal fee patent year 03 | 01.06.2015 | Renewal fee patent year 04 | 31.05.2016 | Renewal fee patent year 05 | 31.05.2017 | Renewal fee patent year 06 | 01.06.2018 | Renewal fee patent year 07 | 22.05.2019 | Renewal fee patent year 08 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | HU | 29.05.2012 | AL | 03.07.2019 | AT | 03.07.2019 | CY | 03.07.2019 | CZ | 03.07.2019 | DK | 03.07.2019 | EE | 03.07.2019 | ES | 03.07.2019 | FI | 03.07.2019 | HR | 03.07.2019 | IT | 03.07.2019 | LT | 03.07.2019 | LV | 03.07.2019 | MC | 03.07.2019 | MK | 03.07.2019 | MT | 03.07.2019 | NL | 03.07.2019 | PL | 03.07.2019 | RO | 03.07.2019 | RS | 03.07.2019 | SE | 03.07.2019 | SI | 03.07.2019 | SK | 03.07.2019 | SM | 03.07.2019 | TR | 03.07.2019 | BG | 03.10.2019 | NO | 03.10.2019 | GR | 04.10.2019 | IS | 03.11.2019 | PT | 04.11.2019 | IE | 29.05.2020 | LU | 29.05.2020 | BE | 31.05.2020 | CH | 31.05.2020 | LI | 31.05.2020 | [2022/32] |
Former [2022/27] | HU | 29.05.2012 | |
AL | 03.07.2019 | ||
AT | 03.07.2019 | ||
CY | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
MC | 03.07.2019 | ||
MT | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
IE | 29.05.2020 | ||
LU | 29.05.2020 | ||
BE | 31.05.2020 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2021/24] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
MC | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
IE | 29.05.2020 | ||
LU | 29.05.2020 | ||
BE | 31.05.2020 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2021/20] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
MC | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
IE | 29.05.2020 | ||
LU | 29.05.2020 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2021/15] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
MC | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
LU | 29.05.2020 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2021/12] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
MC | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2021/08] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
CH | 31.05.2020 | ||
LI | 31.05.2020 | ||
Former [2020/37] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SI | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/36] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/27] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SK | 03.07.2019 | ||
SM | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
PT | 04.11.2019 | ||
IS | 24.02.2020 | ||
Former [2020/25] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
SK | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
PT | 04.11.2019 | ||
IS | 24.02.2020 | ||
Former [2020/24] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
PT | 04.11.2019 | ||
IS | 24.02.2020 | ||
Former [2020/23] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
IT | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
PL | 03.07.2019 | ||
RO | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/22] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
DK | 03.07.2019 | ||
EE | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/17] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
TR | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/15] | AL | 03.07.2019 | |
AT | 03.07.2019 | ||
CZ | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/12] | AT | 03.07.2019 | |
CZ | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
IS | 03.11.2019 | ||
PT | 04.11.2019 | ||
Former [2020/11] | AT | 03.07.2019 | |
CZ | 03.07.2019 | ||
ES | 03.07.2019 | ||
FI | 03.07.2019 | ||
HR | 03.07.2019 | ||
LT | 03.07.2019 | ||
LV | 03.07.2019 | ||
NL | 03.07.2019 | ||
RS | 03.07.2019 | ||
SE | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
GR | 04.10.2019 | ||
PT | 04.11.2019 | ||
Former [2020/10] | AT | 03.07.2019 | |
CZ | 03.07.2019 | ||
FI | 03.07.2019 | ||
LT | 03.07.2019 | ||
NL | 03.07.2019 | ||
SE | 03.07.2019 | ||
BG | 03.10.2019 | ||
NO | 03.10.2019 | ||
PT | 04.11.2019 | ||
Former [2020/09] | CZ | 03.07.2019 | |
FI | 03.07.2019 | ||
LT | 03.07.2019 | ||
NL | 03.07.2019 | ||
NO | 03.10.2019 | ||
Former [2020/08] | LT | 03.07.2019 | |
NL | 03.07.2019 | ||
NO | 03.10.2019 | ||
Former [2020/07] | NL | 03.07.2019 | Documents cited: | Search | [I]US2008025258 (LEFEVRE FABIENNE [FR], et al) [I] 1,2,6,8-10,12-14,16 * paragraph [0002] - paragraph [0021]; figure 2 *; | [I]US2010322124 (LUOMA KRISTIAN [FI], et al) [I] 1,6,8-10,12-14,16* paragraphs [0038] - [0041] *; | [I] - IBERDROLA ET AL, "G.hnem: PRIME Specification Revision 1.3E;TD10GS1-039", ITU-T DRAFT ; STUDY PERIOD 2009-2012, INTERNATIONAL TELECOMMUNICATION UNION, GENEVA ; CH, (20101116), vol. 4/15, pages 1 - 257, XP017595995 [I] 1-3,5-16 * Chapter 4.7.5 "Keep-alive process" * | [I] - STEVEN HESSING, "Peer to Peer Messaging Protocol (PPMP) ; draft-hessing-p2p-messaging-00.txt", 20020401, (20020401), ISSN 0000-0004, XP015001173 [I] 1,3,4,9 * Chapter 7.1.5, "Keepalive messages for bi-directional connections" * | International search | [A]US2006087977 (TATMAN LANCE [US]); | [A]US2009271517 (NAYLOR JOE G [US], et al); | [A]US2010088440 (BANKS DONALD E [US], et al); | [A]US2010322124 (LUOMA KRISTIAN [FI], et al) | Examination | EP0439008 |