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EP0063839
European procedure
Extract from the Register of European Patents
EP About this file: EP0063839
| EP0063839 - Acoustic wave bandpass electrical filters [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.11.1985 Database last updated on 20.07.2024 | Most recent event Tooltip | 11.11.1985 | No opposition filed within time limit | published on 15.01.1986 [1986/03] | Applicant(s) | For:GB
PHILIPS ELECTRONICS UK LIMITED 420-430 London Road Croydon CR9 3QR / GB | For:DE
FR
Koninklijke Philips Electronics N.V. Groenewoudseweg 1 5621 BA Eindhoven / NL | [N/P] |
| Former [1983/43] | For:GB
PHILIPS ELECTRONICS UK LIMITED 420-430 London Road Croydon CR9 3QR / GB | ||
| For:DE
FR
Philips Electronics N.V. Groenewoudseweg 1 NL-5621 BA Eindhoven / NL | |||
| Former [1982/44] | For:GB
PHILIPS ELECTRONIC AND ASSOCIATED INDUSTRIES LIMITED Arundel Great Court 8 Arundel Street London WC2R 3DT / GB | ||
| For:DE
FR
Philips Electronics N.V. Groenewoudseweg 1 NL-5621 BA Eindhoven / NL | Inventor(s) | 01 /
Murray, Robert John C/O PHILIPS RESEARCH LABORATORIES Redhill Surrey RH1 5HA / GB | 02 /
Schofield, John C/O MULLARD LIMITED New Road Mitcham Surrey CR4 4XY / GB | [1982/44] | Representative(s) | Boxall, Robin John, et al Philips Electronics UK Limited Patents and Trade Marks Department Cross Oak Lane Redhill, Surrey RH1 5HA / GB | [N/P] |
| Former [1982/44] | Boxall, Robin John, et al Philips Electronics UK Limited Patents and Trade Marks Department Cross Oak Lane Redhill, Surrey RH1 5HA / GB | Application number, filing date | 82200451.1 | 14.04.1982 | [1982/44] | Priority number, date | GB19810012452 | 22.04.1981 Original published format: GB 8112452 | [1982/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0063839 | Date: | 03.11.1982 | Language: | EN | [1982/44] | Type: | A3 Search report | No.: | EP0063839 | Date: | 11.05.1983 | Language: | EN | [1983/19] | Type: | B1 Patent specification | No.: | EP0063839 | Date: | 09.01.1985 | Language: | EN | [1985/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.03.1983 | Classification | IPC: | H03H9/64 | [1982/44] | CPC: |
H03H9/02637 (EP,US);
H03H9/02795 (EP,US);
H03H9/14552 (EP,US)
| Designated contracting states | DE, FR, GB [1982/44] | Title | German: | Mit akustischen Wellen arbeitende elektrische Bandpassfilter | [1982/44] | English: | Acoustic wave bandpass electrical filters | [1982/44] | French: | Filtres éléctriques passe-bande à ondes acoustiques | [1982/44] | File destroyed: | 03.03.2001 | Examination procedure | 14.04.1982 | Examination requested [1982/44] | 16.04.1984 | Despatch of communication of intention to grant (Approval: ) | 02.07.1984 | Communication of intention to grant the patent | 25.09.1984 | Fee for grant paid | 25.09.1984 | Fee for publishing/printing paid | Opposition(s) | 10.10.1985 | No opposition filed within time limit [1986/03] | Fees paid | Renewal fee | 23.03.1984 | Renewal fee patent year 03 |
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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] - ELECTRONICS LETTERS, vol. 16, no. 10, May 1980, pages 356-358, London, G.B., MURRAY R.J. et al.: "Harmonic suppression in surface-acoustic-wave devices using jogged multistrip couplers". | [A] - IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, vol. SU-27, no. 2, March 1980, pages 90-93, New York, USA, SUTHERS M.S. et al.: "SAW bandpass filter design using hermitian function technique". | [A] - 1979 ULTRASONICS SYMPOSIUM PROCEEDINGS, 26th-28th September 1979, pages 537-540, Monteleone Hotel, New Orleans, L.A., USA; SUDHAKAR P. et al.: "A superposition model for surface acoustic wave multistrip coupler". |