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EP0500357
European procedure
Extract from the Register of European Patents
EP About this file: EP0500357
| EP0500357 - Optical fiber dispersion-compensating device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.06.1996 Database last updated on 31.08.2024 | Most recent event Tooltip | 28.06.1996 | No opposition filed within time limit | published on 14.08.1996 [1996/33] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1992/35] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Murata, Shigeru c/o NEC Corporation, 7-1 Shiba 5-chome Minato-ku, Tokyo / JP | [1992/35] | Representative(s) | Abnett, Richard Charles, et al Reddie & Grose 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1992/35] | Abnett, Richard Charles, et al REDDIE & GROSE 16 Theobalds Road London WC1X 8PL / GB | Application number, filing date | 92301386.6 | 19.02.1992 | [1992/35] | Priority number, date | JP19910024233 | 19.02.1991 Original published format: JP 2423391 | [1992/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0500357 | Date: | 26.08.1992 | Language: | EN | [1992/35] | Type: | A3 Search report | No.: | EP0500357 | Date: | 20.01.1993 | Language: | EN | [1993/03] | Type: | B1 Patent specification | No.: | EP0500357 | Date: | 23.08.1995 | Language: | EN | [1995/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.12.1992 | Classification | IPC: | H04B10/18, H01S3/25, G02F1/35, H01S3/094 | [1995/34] | CPC: |
H04B10/2531 (EP,US);
G02F1/3534 (EP,US);
H01S5/50 (EP,US);
G02F1/353 (EP,US);
H01S5/5054 (EP,US)
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| Former IPC [1993/03] | H01S3/094, H01S3/25, G02F1/35, H04B10/18 | ||
| Former IPC [1992/35] | H04B10/18, H01S3/25, G02F1/35 | Designated contracting states | DE, FR, GB [1992/35] | Title | German: | Dispersionskorrekturvorrichtung für optische Faser | [1992/35] | English: | Optical fiber dispersion-compensating device | [1992/35] | French: | Compensateur de dispersion pour fibre optique | [1992/35] | Examination procedure | 16.03.1992 | Examination requested [1992/35] | 25.02.1994 | Despatch of a communication from the examining division (Time limit: M04) | 09.08.1994 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time | 26.09.1994 | Reply to a communication from the examining division | 15.12.1994 | Despatch of communication of intention to grant (Approval: Yes) | 20.02.1995 | Communication of intention to grant the patent | 02.05.1995 | Fee for grant paid | 02.05.1995 | Fee for publishing/printing paid | Opposition(s) | 24.05.1996 | No opposition filed within time limit [1996/33] | Request for further processing for: | 26.09.1994 | Request for further processing filed | 28.09.1994 | Full payment received (date of receipt of payment) Request granted | 14.10.1994 | Decision despatched | Fees paid | Renewal fee | 18.02.1994 | Renewal fee patent year 03 | 28.02.1995 | Renewal fee patent year 04 |
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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. | Documents cited: | Search | [A]JP5785281 ; | [A]JP5789703 ; | [A]JP63103215 | [Y] - OPTICS LETTERS. vol. 4, no. 2, February 1979, NEW YORK US pages 52 - 54 A. YARIV ET AL 'Compensation for channel dispersion by nonlinear optical phase conjugation' | [Y] - APPLIED PHYSICS LETTERS. vol. 55, no. 6, 7 August 1989, NEW YORK US pages 519 - 521 J.G. PROVOST ET AL 'Cavity enhanced highly nondegenerate four wave mixing in GaAlAs semiconductor lasers' | [A] - ELECTRONICS LETTERS. vol. 25, no. 16, 3 August 1989, STEVENAGE, HERTS, GB pages 1053 - 1055 F. FAVRE ET AL 'Contradirectional four wave mixing in 1.51 mum near travelling wave semiconductor laser amplifier' | [A] - PATENT ABSTRACTS OF JAPAN vol. 6, no. 170 (E-128)3 September 1982 & JP-A-57 85 281 ( TAKUMI TOMIJIMA ), & JP5785281 A 19820903 | [A] - PATENT ABSTRACTS OF JAPAN vol. 6, no. 171 (P-140)4 September 1982 & JP-A-57 89 703 ( NIPPON ), & JP5789703 A 19820904 | [A] - PATENT ABSTRACTS OF JAPAN vol. 12, no. 345 (P-759)16 September 1988 & JP-A-63 103 215 ( NIPPON ), & JP63103215 A 19880916 | [XP] - IEEE PHOTONICS TECHNOLOGY LETTERS vol. 3, no. 11, December 1991, NEW YORK US pages 1021 - 1023 S. MURATA ET AL 'THz optical frequency conversion of 1Gb/s signals using highly nondegenerate four wave mixing in an InGaAsP semiconductor laser' |