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EP0239772
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EP About this file: EP0239772
| EP0239772 - Optical fiber laser [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 21.01.1992 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge Massachusetts 02139 / US | [N/P] |
| Former [1987/41] | For all designated states POLAROID CORPORATION 549 Technology Square Cambridge, Massachusetts 02139 / US | Inventor(s) | 01 /
Hakimi, Farhad 131 Coolidge Avenue, Apt.627 Watertown, MA 02172 / US | 02 /
Po, Hong 8 Towne Lyne Road Sherborn, MA 01770 / US | [1987/41] | Representative(s) | Koch, Günther, et al Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp Postfach 12 11 20 80035 München / DE | [N/P] |
| Former [1987/41] | Koch, Günther, Dipl.-Ing., et al Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp, Postfach 12 11 20 D-80035 München / DE | Application number, filing date | 87102403.0 | 20.02.1987 | [1987/41] | Priority number, date | US19860835513 | 28.02.1986 Original published format: US 835513 | [1987/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0239772 | Date: | 07.10.1987 | Language: | EN | [1987/41] | Type: | A3 Search report | No.: | EP0239772 | Date: | 30.08.1989 | Language: | EN | [1989/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1989 | Classification | IPC: | H01S3/06, H01S3/17, H01S3/094 | [1987/41] | CPC: |
H01S3/067 (EP);
H01S3/17 (EP);
H01S3/094038 (EP);
H01S3/0941 (EP)
| Designated contracting states | AT, DE, FR, GB, IT, NL [1987/41] | Title | German: | Faserlaser | [1987/41] | English: | Optical fiber laser | [1987/41] | French: | Laser à fibre optique | [1987/41] | File destroyed: | 12.06.1999 | Examination procedure | 15.02.1990 | Examination requested [1990/15] | 03.09.1991 | Application deemed to be withdrawn, date of legal effect [1992/11] | 04.10.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1992/11] | Fees paid | Renewal fee | 17.01.1989 | Renewal fee patent year 03 | 11.01.1990 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 28.02.1991 | 05 M06 Not yet paid |
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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 | [X] - APPLIED PHYSICS LETTERS, vol. 23, no. 7, 1st October 1973, pages 388-389; J. STONE et al.: "Neodymium-doped silica lasers in end-pumped fiber geometry" | [A] - APPLIED OPTICS, vol. 13, no. 6, June 1974, pages 1256-1258; J. STONE et al.: "Neodymium-doped fiber lasers: Room temperature cw operation with an injection laser pump" | [A] - ELECTRONICS LETTERS, vol. 21, no. 17, August 1985, pages 738-740, Stevenage, Herts, GB; R.J. MEARS et al.: "Neodymium-doped silica single-mode fibre lasers" |