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EP0091859
European procedure
Extract from the Register of European Patents
EP About this file: EP0091859
| EP0091859 - Method for the production of a semiconductor laser having several independent wavelengths [Right-click to bookmark this link] | |||
| Former [1983/42] | Method for the production of a semiconductor laser having several independent wavelengths, and such a laser | ||
| [1989/22] | Status | No opposition filed within time limit Status updated on 28.03.1990 Database last updated on 26.07.2024 | Most recent event Tooltip | 28.03.1990 | No opposition filed within time limit | published on 16.05.1990 [1990/20] | Applicant(s) | For all designated states Bouadma, Noureddine 45 A. Boulevard Jourdan F-75014 Paris / FR | For all designated states Bouley, Jean-Claude 35, Avenue du Docteur Durand F-94110 Arcueil / FR | For all designated states Riou, Jean 25, Avenue de la Division Leclerc F-94230 Cachan / FR | [1983/42] | Inventor(s) | 01 /
see applicant ... | [1983/42] | Representative(s) | Mongrédien, André, et al c/o BREVATOME 25, rue de Ponthieu F-75008 Paris / FR | [1983/42] | Application number, filing date | 83400673.6 | 31.03.1983 | [1983/42] | Priority number, date | FR19820006179 | 08.04.1982 Original published format: FR 8206179 | [1983/42] | Filing language | FR | Procedural language | FR | Publication | Type: | A2 Application without search report | No.: | EP0091859 | Date: | 19.10.1983 | Language: | FR | [1983/42] | Type: | A3 Search report | No.: | EP0091859 | Date: | 15.01.1986 | Language: | FR | [1986/03] | Type: | B1 Patent specification | No.: | EP0091859 | Date: | 31.05.1989 | Language: | FR | [1989/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.11.1985 | Classification | IPC: | H01S3/23 | [1983/42] | CPC: |
H01S5/20 (EP,US);
H01S5/4031 (EP,US);
H01S5/06255 (EP,US);
H01S5/2059 (EP,US);
H01S5/4087 (EP,US)
| Designated contracting states | DE, GB, NL [1983/42] | Title | German: | Verfahren zur Herstellung eines Halbleiterlasers mit mehreren unabhängigen Wellenlängen | [1989/22] | English: | Method for the production of a semiconductor laser having several independent wavelengths | [1989/22] | French: | Procédé de réalisation d'un laser à semi-conducteur à plusieurs longueurs d'onde indépendantes | [1989/22] |
| Former [1983/42] | Verfahren zur Herstellung eines Halbleiterlasers mit mehreren unabhängigen Wellenlängen und ein solcher Laser | ||
| Former [1983/42] | Method for the production of a semiconductor laser having several independent wavelengths, and such a laser | ||
| Former [1983/42] | Procédé de réalisation d'un laser à semi-conducteur à plusieurs longueurs d'onde indépendantes et laser obtenu | File destroyed: | 15.01.2000 | Examination procedure | 23.06.1986 | Examination requested [1986/35] | 23.11.1987 | Despatch of a communication from the examining division (Time limit: M04) | 11.03.1988 | Reply to a communication from the examining division | 08.07.1988 | Despatch of communication of intention to grant (Approval: Yes) | 23.11.1988 | Communication of intention to grant the patent | 14.01.1989 | Fee for grant paid | 14.01.1989 | Fee for publishing/printing paid | Opposition(s) | 01.03.1990 | No opposition filed within time limit [1990/20] | Fees paid | Renewal fee | 21.03.1985 | Renewal fee patent year 03 | 22.03.1986 | Renewal fee patent year 04 | 25.03.1987 | Renewal fee patent year 05 | 21.03.1988 | Renewal fee patent year 06 | 22.03.1989 | 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]JP54107689 ; | [X]US4318058 (MITO IKUO, et al); | [A]US4293826 (SCIFRES DONALD R, et al); | [XP]EP0061220 (PHILIPS NV [NL]) | [A] - PATENTS ABSTRACTS OF JAPAN, vol. 3, no. 131 (E-148), 31 octobre 1979, page 9 E 148; & JP - A - 54 107 689 (NIPPON DENKI K.K.) 23-08-1979, & JP54107689 A 00000000 | [XP] - ELECTRONICS, vol. 55, no. 22, 3 novembre 1982, pages 72-73, New York, US; R. GALLAGHER: "Integrating two multiplexed optical sources allows direct coupling to single fiber" |