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EP0227362
European procedure
Extract from the Register of European Patents
EP About this file: EP0227362
| EP0227362 - Wavelength multiplexed optical communications system and method [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.11.1993 Database last updated on 02.09.2024 | Most recent event Tooltip | 27.11.1993 | No opposition filed within time limit | published on 19.01.1994 [1994/03] | Applicant(s) | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge Massachusetts 02139 / US | [N/P] |
| Former [1987/27] | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge, Massachusetts 02139 / US | Inventor(s) | 01 /
McMahon, Donald H. 580 West Street Carlisle, MA 01741 / US | [1987/27] | Representative(s) | Skone James, Robert Edmund, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [N/P] |
| Former [1987/27] | Skone James, Robert Edmund, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB | Application number, filing date | 86309502.2 | 05.12.1986 | [1987/27] | Priority number, date | US19850811775 | 20.12.1985 Original published format: US 811775 | [1987/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0227362 | Date: | 01.07.1987 | Language: | EN | [1987/27] | Type: | A3 Search report | No.: | EP0227362 | Date: | 14.12.1988 | Language: | EN | [1988/50] | Type: | B1 Patent specification | No.: | EP0227362 | Date: | 27.01.1993 | Language: | EN | [1993/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.10.1988 | Classification | IPC: | H04J14/00, H04J15/00, H04L12/28 | [1993/04] | CPC: |
H04B10/25 (EP,US);
H04J14/00 (US);
H04J14/06 (EP,US);
H04L12/42 (EP,US)
|
| Former IPC [1988/48] | H04B9/00, H04J15/00, H04L11/16 | ||
| Former IPC [1987/27] | H04B9/00, H04J15/00 | Designated contracting states | DE, FR, GB, IT, NL [1987/27] | Title | German: | Optisches Wellenlängenmultiplex-Kommunikationssystem und -verfahren | [1987/27] | English: | Wavelength multiplexed optical communications system and method | [1987/27] | French: | Système et méthode de communication optique par multiplexage en longueur d'onde | [1987/27] | Examination procedure | 05.06.1989 | Examination requested [1989/31] | 21.06.1991 | Despatch of a communication from the examining division (Time limit: M04) | 24.10.1991 | Reply to a communication from the examining division | 19.11.1991 | Despatch of a communication from the examining division (Time limit: M04) | 23.03.1992 | Reply to a communication from the examining division | 15.04.1992 | Despatch of communication of intention to grant (Approval: Yes) | 10.07.1992 | Communication of intention to grant the patent | 17.09.1992 | Fee for grant paid | 17.09.1992 | Fee for publishing/printing paid | Opposition(s) | 28.10.1993 | No opposition filed within time limit [1994/03] | Fees paid | Renewal fee | 17.11.1988 | Renewal fee patent year 03 | 15.11.1989 | Renewal fee patent year 04 | 13.11.1990 | Renewal fee patent year 05 | 21.11.1991 | Renewal fee patent year 06 | 16.11.1992 | Renewal fee patent year 07 |
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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]GB2095419 (WESTERN ELECTRIC CO); | [Y]WO8500484 (AMERICAN TELEPHONE & TELEGRAPH [US]) | by applicant | US4707061 |