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EP0216579
European procedure
Extract from the Register of European Patents
EP About this file: EP0216579
| EP0216579 - Control of vibration energisation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.08.1991 Database last updated on 02.09.2024 | Most recent event Tooltip | 24.08.1991 | No opposition filed within time limit | published on 16.10.1991 [1991/42] | Applicant(s) | For all designated states NATIONAL RESEARCH DEVELOPMENT CORPORATION 101 Newington Causeway London SE1 6BU / GB | [1987/14] | Inventor(s) | 01 /
MacCracken, William Cawdor 3 Greenhill Crescent Elderslie Renfrewshire Scotland / GB | 02 /
Waddell, Alexander John Beechfield 29 Glasgow Road Denny Stirlingshire Scotland / GB | [1987/14] | Representative(s) | Chandler, Derek Richard Patents Department British Technology Group Ltd 101 Newington Causeway London SE1 6BU / GB | [1987/14] | Application number, filing date | 86307016.5 | 11.09.1986 | [1987/14] | Priority number, date | GB19850022819 | 16.09.1985 Original published format: GB 8522819 | [1987/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0216579 | Date: | 01.04.1987 | Language: | EN | [1987/14] | Type: | A3 Search report | No.: | EP0216579 | Date: | 30.09.1987 | Language: | EN | [1987/40] | Type: | B1 Patent specification | No.: | EP0216579 | Date: | 24.10.1990 | Language: | EN | [1990/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.08.1987 | Classification | IPC: | B06B1/02 | [1987/14] | CPC: |
B06B1/0261 (EP,US);
B06B2201/53 (EP,US);
B06B2201/70 (EP,US)
| Designated contracting states | DE, FR, GB [1987/14] | Title | German: | Steuerung von Vibrationserregung | [1987/14] | English: | Control of vibration energisation | [1987/14] | French: | Commande d'énergisation des vibrations | [1987/14] | Examination procedure | 07.09.1987 | Examination requested [1987/46] | 18.04.1989 | Despatch of a communication from the examining division (Time limit: M06) | 27.10.1989 | Reply to a communication from the examining division | 20.02.1990 | Despatch of communication of intention to grant (Approval: Yes) | 20.03.1990 | Communication of intention to grant the patent | 25.05.1990 | Fee for grant paid | 25.05.1990 | Fee for publishing/printing paid | Opposition(s) | 25.07.1991 | No opposition filed within time limit [1991/42] | Fees paid | Renewal fee | 17.08.1988 | Renewal fee patent year 03 | 18.08.1989 | Renewal fee patent year 04 | 08.08.1990 | 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. | Documents cited: | Search | [Y]FR2167621 (PHILIPS NV [NL]); | [A]US4168916 (YAMADA SHOHACHI, et al); | [A]US3931533 (RASO FRANK A, et al); | [A]FR1357882 | [Y] - REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 49, no. 2, February 1978, pages 224-226, American Institute of Physics, New York, US; K. BAXTER et al.: "Versatile resonance-tracking circuit for acoustic levitation experiments" |