EP0064789 - Interferometer transmitting the useful phase information through optical fibres [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.1987 Database last updated on 26.07.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): LU | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states CISE- Centro Informazioni Studi Esperienze S.p.A. Via Carducci, 14 I-20123 Milano / IT | [1982/46] | Inventor(s) | 01 /
Martinelli, Mario Via Montaldi, 26 I-46029 Suzzara Mantova / IT | [1982/46] | Representative(s) | Faraggiana, Vittorio, et al Ingg. Guzzi & Ravizza S.r.l. Via Vincenzo Monti 8 20123 Milano / IT | [N/P] |
Former [1982/46] | Faraggiana, Vittorio, Dr. Ing., et al Ingg. Guzzi & Ravizza S.r.l. Via Vincenzo Monti 8 I-20123 Milano / IT | Application number, filing date | 82200506.2 | 29.04.1982 | [1982/46] | Priority number, date | IT19810021529 | 06.05.1981 Original published format: IT 2152981 | [1982/46] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0064789 | Date: | 17.11.1982 | Language: | EN | [1982/46] | Type: | A3 Search report | No.: | EP0064789 | Date: | 02.05.1984 | Language: | EN | [1984/18] | Type: | B1 Patent specification | No.: | EP0064789 | Date: | 12.11.1986 | Language: | EN | [1986/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.03.1984 | Classification | IPC: | G01B9/02, G01H9/00, G01J9/02 | [1982/46] | CPC: |
G01J9/02 (EP,US);
G01H9/006 (EP,US);
G01J2009/0226 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1982/46] | Title | German: | Interferometer unter Verwendung von optischen Fasern zur Phaseninformationsübertragung | [1982/46] | English: | Interferometer transmitting the useful phase information through optical fibres | [1982/46] | French: | Interféromètre transmettant l'information de phase par des fibres optiques | [1982/46] | File destroyed: | 15.01.2000 | Examination procedure | 21.02.1983 | Examination requested [1983/20] | 12.08.1985 | Despatch of a communication from the examining division (Time limit: M06) | 13.02.1986 | Reply to a communication from the examining division | 23.04.1986 | Despatch of communication of intention to grant (Approval: ) | 16.05.1986 | Communication of intention to grant the patent | 09.07.1986 | Fee for grant paid | 09.07.1986 | Fee for publishing/printing paid | Opposition(s) | 13.08.1987 | No opposition filed within time limit [1987/45] | Fees paid | Renewal fee | 20.03.1984 | Renewal fee patent year 03 | 15.03.1985 | Renewal fee patent year 04 | 20.03.1986 | Renewal fee patent year 05 |
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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. | Lapses during opposition Tooltip | AT | 12.11.1986 | BE | 12.11.1986 | IT | 12.11.1986 | LU | 30.04.1987 | [1999/52] |
Former [1999/42] | AT | 12.11.1986 | |
BE | 12.11.1986 | ||
IT | 12.11.1986 | ||
Former [1989/08] | AT | 12.11.1986 | |
BE | 12.11.1986 | ||
Former [1989/03] | BE | 12.11.1986 | Documents cited: | Search | [A] - OPTICAL AND QUANTUM ELECTRONICS, vol. 10, no. 6, November 1978, pages 533-535 F. PARMIGIANI: "A high sensitivity laser vibration meter using a fibre-optic probe" | [A] - OPTICS AND LASER TECHNOLOGY, vol. 10, no. 1, January 1978, Pages 33-36 R.A. COOKSON et al.: "Mechanical vibration measurements using a fibre optic laser-Doppler probe" | [A] - REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 49, no. 6, June 1978, pages 722-728 M.A. NOKES et al.: "Fiber optic heterodyne interferometer for vibration measurements in biological systems" | [A] - OPTICS LETTERS, vol. 4, no. 5, May 1979, pages 152-154 R. ULRICH et al.: "Fiber-ring interferometer polarization analysis" | [A] - APPLIED OPTICS, vol. 20, no. 9, 1st May 1981, pages 1498-1499 S.C. RASHLEIGH: "Fiber-optic sensors with reduced sensitivity to environmental perturbations" | [A] - APPLIED OPTICS; vol. 17, no. 12, 15th June 1978, pages 1965-1971 M. IIYAMA et al.: "Optical field mapping using single-mode optical fibers" | [A] - OPTICS LETTERS, vol. 5, no. 4, April 1980, pages 139-141 D.A. JACKSON et al.: "Measurement of small phae shifts using a single-mode optical-fiber interferometer" |