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EP0383871
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Extract from the Register of European Patents
EP About this file: EP0383871
| EP0383871 - LOW VELOCITY AIR CLASSIFIER [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 04.06.1991 Database last updated on 11.04.2026 | Most recent event Tooltip | 04.06.1991 | Application deemed to be withdrawn | published on 24.07.1991 [1991/30] | Applicant(s) | For all designated states BROWN, Victor 2208 Shadowdale Houston, TX 77043 / US | [1990/35] | Inventor(s) | 01 /
see applicant ... | [1990/35] | Representative(s) | Piésold, Alexander James, et al Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
| Former [1990/35] | Piesold, Alexander J., et al Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 89908324.0 | 01.06.1989 | [1990/35] | WO1989US02399 | Priority number, date | US19880223440 | 25.07.1988 Original published format: US 223440 | [1990/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9000941 | Date: | 08.02.1990 | Language: | EN | [1990/04] | Type: | A1 Application with search report | No.: | EP0383871 | Date: | 29.08.1990 | Language: | EN | The application published by WIPO in one of the EPO official languages on 08.02.1990 takes the place of the publication of the European patent application. | [1990/35] | Search report(s) | International search report - published on: | EP | 08.02.1990 | Classification | IPC: | B07B7/01, B07B9/02, B07B11/04 | [1990/35] | CPC: |
B07B9/02 (EP,US);
B07B7/01 (EP,KR,US);
B07B11/04 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1990/35] | Title | German: | WINDSICHTER MIT GERINGER STRÖMUNGSGESCHWINDIGKEIT | [1990/35] | English: | LOW VELOCITY AIR CLASSIFIER | [1990/35] | French: | CLASSIFICATEUR D'AIR LENT | [1990/35] | File destroyed: | 16.03.1999 | Entry into regional phase | 02.03.1990 | National basic fee paid | 02.03.1990 | Designation fee(s) paid | Examination procedure | 27.03.1990 | Application deemed to be withdrawn, date of legal effect [1991/30] | 26.02.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time [1991/30] |
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