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EP0035838
European procedure
Extract from the Register of European Patents
EP About this file: EP0035838
| EP0035838 - Diffusion apparatus [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.12.1985 Database last updated on 19.10.2024 | Most recent event Tooltip | 17.12.1985 | No opposition filed within time limit | published on 19.02.1986 [1986/08] | Applicant(s) | For all designated states Rolls-Royce plc 65 Buckingham Gate London, SW1E 6AT / GB | [N/P] |
| Former [1981/37] | For all designated states ROLLS-ROYCE LIMITED 65 Buckingham Gate London, SW1E 6AT / GB | Inventor(s) | 01 /
Adkins, Richard Cyril 17 Ashfield Stantonbury Milton Keynes Bristol Buckinghamshire / GB | 02 /
Yost, James Oswald 19 Hampton Road Bristol 6 / GB | [1981/37] | Representative(s) | Jackson, John Timothy Rolls-Royce Limited P O Box 3 Filton Bristol BS12 7QE / GB | [N/P] |
| Former [1984/42] | Jackson, John Timothy Rolls-Royce Limited P O Box 3 Filton Bristol BS12 7QE / GB | ||
| Former [1981/37] | Waite, John Rolls-Royce Limited P.O. Box 3 Filton Bristol BS12 7QE / GB | Application number, filing date | 81300734.1 | 23.02.1981 | [1981/37] | Priority number, date | GB19800008070 | 10.03.1980 Original published format: GB 8008070 | [1981/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0035838 | Date: | 16.09.1981 | Language: | EN | [1981/37] | Type: | B1 Patent specification | No.: | EP0035838 | Date: | 06.02.1985 | Language: | EN | [1985/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.07.1981 | Classification | IPC: | F01D25/30 | [1981/37] | CPC: |
F23R3/02 (EP,US);
F01D25/30 (EP,US);
F04D27/009 (US);
F04D29/681 (US);
F04D29/682 (EP);
F04D29/547 (EP)
| Designated contracting states | CH, DE, FR, GB, LI [1981/37] | Title | German: | Diffusor | [1981/37] | English: | Diffusion apparatus | [1981/37] | French: | Diffuseur | [1981/37] | Examination procedure | 09.03.1982 | Examination requested [1982/20] | 12.01.1983 | Despatch of a communication from the examining division (Time limit: M04) | 28.03.1983 | Reply to a communication from the examining division | 03.05.1984 | Despatch of communication of intention to grant (Approval: ) | 20.07.1984 | Communication of intention to grant the patent | 07.08.1984 | Fee for grant paid | 07.08.1984 | Fee for publishing/printing paid | Opposition(s) | 07.11.1985 | No opposition filed within time limit [1986/08] | Fees paid | Renewal fee | 18.01.1983 | Renewal fee patent year 03 | 16.01.1984 | Renewal fee patent year 04 |
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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 | US4098073 [ ] (ADKINS RICHARD CYRIL, et al) | [ ] - Journal of Fluids Engineering, Vol. 97, No. 3, Sept. 1975, pages 297-302 New York, US R.C. ADKINS: "A Short Diffuser with Low Pressure Loss" *in its entirety* | [ ] - Journal of Basic Engineering, Vol. 92, No. 3, Sept. 1970, pages 437-449 G. HESKESTAD: "Further Experiments with Suction at a Sudden Enlargement in a Pipe" *in its entirety* | Examination | FR2390587 | GB568170 | DE1187432 | US2841182 | US3452782 | FR2345592 | US3216455 | GB1084330 |