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EP0149556
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EP About this file: EP0149556
| EP0149556 - Relieving pressure differential in vacuum filter [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 09.12.1987 Database last updated on 13.07.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states AMSTED Industries Incorporated 3700 Prudential Plaza Chicago, IL. 60601 / US | [1985/30] | Inventor(s) | 01 /
Willson, David H. 30267 Pipers Lane Farmington Hills Michigan 48018 / US | [1985/30] | Representative(s) | Boyes, Kenneth Aubrey, et al Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL / GB | [N/P] |
| Former [1985/30] | Boyes, Kenneth Aubrey, et al Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ / GB | Application number, filing date | 85300291.3 | 16.01.1985 | [1985/30] | Priority number, date | US19840570818 | 16.01.1984 Original published format: US 570818 | [1985/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0149556 | Date: | 24.07.1985 | Language: | EN | [1985/30] | Type: | A3 Search report | No.: | EP0149556 | Date: | 07.01.1987 | Language: | EN | [1987/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.11.1986 | Classification | IPC: | B01D29/02, B01D29/36 | [1985/30] | CPC: |
B01D29/09 (EP);
B01D29/605 (EP);
B01D29/606 (EP);
B01D29/92 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1985/30] | Title | German: | Entlastung der Druckdifferenz bei Vakuumfilter | [1985/30] | English: | Relieving pressure differential in vacuum filter | [1985/30] | French: | Suppression de la différence de pression dans les filtres à vide | [1985/30] | File destroyed: | 22.06.1993 | Examination procedure | 03.08.1987 | Application deemed to be withdrawn, date of legal effect [1988/04] | 01.09.1987 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1988/04] | Fees paid | Penalty fee | Penalty fee Rule 85b EPC 1973 | 07.07.1987 | M02 Not yet paid | Additional fee for renewal fee | 02.02.1987 | 03 M06 Not yet paid |
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