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Extract from the Register of European Patents

EP About this file: EP0235257

EP0235257 - MULTIPLEXED DIGITAL PACKET TELEPHONE COMMUNICATION METHOD [Right-click to bookmark this link]
Former [1987/37]MULTIPLEXED DIGITAL PACKET TELEPHONE SYSTEM
[1993/24]
StatusNo opposition filed within time limit
Status updated on  16.04.1994
Database last updated on 24.04.2024
Most recent event   Tooltip23.11.2007Lapse of the patent in a contracting statepublished on 26.12.2007  [2007/52]
Applicant(s)For all designated states
REPUBLIC TELCOM SYSTEMS CORP.
6150 Lookout Road
Boulder, CO 80301 / US
[1987/37]
Inventor(s)01 / GOLLUB, Raphael
301 Shellard Parkway Apt. 348
St. Louis Park, MN 55426 / US
[1987/37]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[N/P]
Former [1987/37]Strehl Schübel-Hopf Groening & Partner
Maximilianstrasse 54
D-80538 München / DE
Application number, filing date86905539.220.08.1986
[1987/37]
WO1986US01721
Priority number, dateUS1985076915323.08.1985         Original published format: US 769153
[1987/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO8701254
Date:26.02.1987
Language:EN
[1987/05]
Type: A1 Application with search report 
No.:EP0235257
Date:09.09.1987
Language:EN
The application published by WIPO in one of the EPO official languages on 26.02.1987 takes the place of the publication of the European patent application.
[1987/37]
Type: B1 Patent specification 
No.:EP0235257
Date:16.06.1993
Language:EN
[1993/24]
Search report(s)International search report - published on:US26.02.1987
(Supplementary) European search report - dispatched on:EP21.01.1988
ClassificationIPC:H04J3/24, H04J15/00, H04B1/66
[1987/37]
CPC:
H04J3/1688 (EP,US); H04J3/24 (KR); H04J3/0632 (EP,US);
H04L12/64 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1987/37]
TitleGerman:DIGITALES PAKET-FERNSPRECHÜBERTRAGUNGSVERFAHREN MIT MULTIPLEXBETRIEB[1993/24]
English:MULTIPLEXED DIGITAL PACKET TELEPHONE COMMUNICATION METHOD[1993/24]
French:METHODE DE COMMUNICATION TELEPHONIQUE PAR PAQUETS NUMERIQUES MULTIPLEXES[1993/24]
Former [1987/37]DIGITALES PAKET-FERNSPRECHSYSTEM MIT MULTIPLEXBETRIEB
Former [1987/37]MULTIPLEXED DIGITAL PACKET TELEPHONE SYSTEM
Former [1987/37]SYSTEME TELEPHONIQUE PAR PAQUETS NUMERIQUES MULTIPLEXES
Entry into regional phase29.04.1987National basic fee paid 
29.04.1987Search fee paid 
29.04.1987Designation fee(s) paid 
29.04.1987Examination fee paid 
Examination procedure29.04.1987Examination requested  [1987/37]
15.01.1990Despatch of a communication from the examining division (Time limit: M07)
27.08.1990Reply to a communication from the examining division
22.03.1991Despatch of a communication from the examining division (Time limit: M06)
01.10.1991Reply to a communication from the examining division
08.07.1992Despatch of communication of intention to grant (Approval: No)
09.12.1992Despatch of communication of intention to grant (Approval: later approval)
15.12.1992Communication of intention to grant the patent
22.01.1993Fee for grant paid
22.01.1993Fee for publishing/printing paid
Opposition(s)17.03.1994No opposition filed within time limit [1994/23]
Fees paidRenewal fee
10.08.1988Renewal fee patent year 03
14.08.1989Renewal fee patent year 04
30.08.1990Renewal fee patent year 05
28.10.1991Renewal fee patent year 06
21.10.1992Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
02.09.199106   M06   Fee paid on   28.10.1991
31.08.199207   M06   Fee paid on   02.11.1992
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competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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  TooltipIT16.06.1993
NL16.06.1993
SE16.06.1993
CH31.08.1993
LI31.08.1993
[2007/52]
Former [1999/42]IT16.06.1993
NL16.06.1993
SE16.06.1993
CH31.08.1993
LI31.08.1993
Former [1994/31]NL16.06.1993
SE16.06.1993
CH31.08.1993
LI31.08.1993
Former [1994/09]NL16.06.1993
SE16.06.1993
Former [1994/01]NL16.06.1993
Documents cited:Search[A]US4453247  (SUZUKI MICHIO [JP], et al)
 [A]  - PROCEEDINGS OF THE INTERNATIONAL ZURICH SEMINAR ON DIGITAL COMMUNICATIONS, 12th-15th March 1974, Zurich, pages B7(1)-B7(3), IEEE, New York, US; M. TSCHANZ: "The exploitation of statistical properties of speech signals for address-coded transmission"
 [A]  - INTERNATIONAL SWITCHING SYMPOSIUM, 7th-11th May 1979, Paris, pages 757-764; Y. IKEDA et al.: "Virtual circuit switching system: a new system concept for telephony and data integration"
 [A]  - IEEE TRANSACTIONS ON COMMUNICATIONS, vol. COM-32, no. 4, April 1984, pages 403-410, IEEE, New York, US; N.-M. KIM et al.: "A multisubscriber variable-rate sampling HCDM system with dynamic buffer control"
International search[A]US4383316  (SEIDEL HAROLD);
 [A]US4503510  (WEAVER CHARLES S [US]);
 [A]US4512013  (NASH RANDY D [US], et al);
 [AP]US4589110  (ENG KAI Y [US], et al)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.