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Extract from the Register of European Patents

EP About this file: EP0649392

EP0649392 - HEAVY METAL-OXIDE GLASS OPTICAL FIBERS FOR USE IN LASER MEDICAL SURGERY AND PROCESS OF MAKING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.10.1998
Database last updated on 03.08.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
Updated state(s): LU		published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
INFRARED FIBER SYSTEMS, INC.
2301-A Broadbirch Drive
Silver Spring, MD 20904 / US
[1995/17]
Inventor(s)01 / TRAN, Danh, C.
20 Royal Dominion Court
Bethesda, MD 20817 / US
[1995/17]
Representative(s)Santarelli, Marc
Santarelli 14 Avenue de la Grande Armée
75017 Paris / FR
[N/P]
Former [1995/17]Santarelli, Marc
Cabinet Rinuy et Santarelli 14, avenue de la Grande Armée
F-75017 Paris / FR
Application number, filing date93918155.802.07.1993
[1995/17]
WO1993US06392
Priority number, dateUS1992090938006.07.1992         Original published format: US 909380
[1995/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9401374
Date:20.01.1994
Language:EN
[1994/03]
Type: A1 Application with search report 
No.:EP0649392
Date:26.04.1995
Language:EN
The application published by WIPO in one of the EPO official languages on 20.01.1994 takes the place of the publication of the European patent application.
[1995/17]
Type: B1 Patent specification 
No.:EP0649392
Date:26.11.1997
Language:EN
[1997/48]
Search report(s)International search report - published on:EP20.01.1994
ClassificationIPC:C03C13/04, A61B17/36
[1995/17]
CPC:
A61B18/22 (EP,US); C03C13/048 (EP,US); C03C4/0071 (EP,US);
G02B6/02 (EP,US); G02B6/102 (EP,US); G02B6/4296 (EP,US);
A61B2018/2222 (US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1995/17]
TitleGerman:OPTISCHE FASERN AUS SCHWERMETALLOXID ZUR ANWENDUNG BEI MEDIZINALER LASERCHIRURGIE UND VERFAHREN ZUR HERSTELLUNG[1997/48]
English:HEAVY METAL-OXIDE GLASS OPTICAL FIBERS FOR USE IN LASER MEDICAL SURGERY AND PROCESS OF MAKING[1995/17]
French:FIBRES OPTIQUES EN VERRE A BASE D'OXYDE DE METAL LOURD DESTINEES A L'UTILISATION EN CHIRURGIE PAR LASER, ET LEUR PROCEDE DE FABRICATION[1995/17]
Former [1995/17]OPTISCHE FASERN AUS SCHWERMETALLOXID ZUR ANWENDUNG BEI MEDIZINALER CHIRUGIE UND VERFAHREN ZUR HERSTELLUNG
Entry into regional phase09.01.1995National basic fee paid 
09.01.1995Designation fee(s) paid 
09.01.1995Examination fee paid 
Examination procedure04.02.1994Request for preliminary examination filed
International Preliminary Examining Authority: US
09.01.1995Examination requested  [1995/17]
07.03.1996Despatch of a communication from the examining division (Time limit: M04)
02.07.1996Reply to a communication from the examining division
24.09.1996Despatch of communication of intention to grant (Approval: Yes)
27.01.1997Communication of intention to grant the patent
02.04.1997Fee for grant paid
02.04.1997Fee for publishing/printing paid
Opposition(s)27.08.1998No opposition filed within time limit [1998/47]
Fees paidRenewal fee
15.07.1995Renewal fee patent year 03
18.07.1996Renewal fee patent year 04
07.07.1997Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
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  TooltipAT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
ES26.11.1997
GR26.11.1997
IT26.11.1997
LI26.11.1997
NL26.11.1997
PT26.02.1998
SE26.02.1998
IE02.07.1998
LU02.07.1998
[2004/38]
Former [2003/08]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
ES26.11.1997
GR26.11.1997
IT26.11.1997
LI26.11.1997
NL26.11.1997
PT26.02.1998
SE26.02.1998
IE02.07.1998
LU31.07.1998
Former [2002/26]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
ES26.11.1997
GR26.11.1997
IT26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
IE02.07.1998
LU31.07.1998
Former [2001/01]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
GR26.11.1997
IT26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
IE02.07.1998
LU31.07.1998
Former [2000/05]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
GR26.11.1997
IT26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
LU31.07.1998
Former [1999/42]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
IT26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
Former [1998/46]AT26.11.1997
BE26.11.1997
CH26.11.1997
DK26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
Former [1998/45]AT26.11.1997
CH26.11.1997
DK26.11.1997
LI26.11.1997
PT26.02.1998
SE26.02.1998
Former [1998/37]AT26.11.1997
DK26.11.1997
PT26.02.1998
SE26.02.1998
Former [1998/35]AT26.11.1997
DK26.11.1997
SE26.02.1998
Former [1998/30]AT26.11.1997
DK26.11.1997
Cited inInternational search[X]JPH0483202  ;
 [A]FR2347695  (JENAER GLASWERK SCHOTT & GEN [DE]) [A] 1-12 * claim 1 *;
 [X]EP0034053  (FUJITSU LTD [JP]) [X] 13,14 * claim - *;
 [A]WO8505350  (ERA PATENTS LTD [GB]) [A] 1-12 * the whole document *;
 JPH0248431  [ ] (MITSUBISHI CABLE IND LTD, et al);
 [PY]DE4227803  (HOYA CORP [JP], et al) [PY] 1-12,15 * claims 1-9 *
 [Y]  - Bonner R F et al, "Quantification of tissue effects due to a pulsed Er:YAG laser at 2.9 mu m with beam delivery in a wet field via zirconium fluoride fibers", INSPEC, INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB [Y] 1-12,15 * abstract *
    [ ] - OPTICAL FIBERS IN MEDICINE II, CAMBRIDGE, MA, USA, 17-19 SEPT. 1986, 2 - 5, ISSN 0277-786X
 [X]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 92, no. 17, Database accession no. 92-138759, & JPH0483202 A 19920317 (MATSUSHITA ELEC. IND. KK) [X] 1,2 * abstract *
 [Y]  - H.TAKAHASHI, "Preparation of germanate glass by vapor-phase deposition", CHEMICAL ABSTRACTS, (19830530), vol. 98, no. 22, Database accession no. 184267 [Y] 1-12,15 * abstract *
    [ ] - JOURNAL OF THE AMERICAN CERAMIC SOCIETY, COLUMBUS US, (1983), vol. 66, no. 4, pages C66 - C67
 [A]  - CHEMICAL ABSTRACTS, (19901112), vol. 113, no. 20, Database accession no. 176953d [A] 1-12,15 * abstract *
by applicant   - H. TAKAHASHI; I. SUGIMOTO, "Decreased Losses in Germanium-Oxide Glass Optical Fiber Prepared by VAD Method", JAPANESE JOURNAL OF APPLIED PHYSICS, (198303), vol. 22, no. 3, pages L139 - L140
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.