EP0023784 - Power-driven centrifugal air blower [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.03.1985 Database last updated on 31.08.2024 | Most recent event Tooltip | 28.03.1985 | No opposition filed within time limit | published on 29.05.1985 [1985/22] | Applicant(s) | For all designated states airsweep Limited Walnut Tree House Woodbridge Park Guildford Surrey GUI IEL / GB | [N/P] |
Former [1983/35] | For all designated states airsweep Limited Walnut Tree House Woodbridge Park Guildford Surrey GUI IEL / GB | ||
Former [1981/06] | For all designated states CHARITANT LIMITED Avenue C Thorp Arch Trading Estate Wetherby West Yorkshire, LS23 7BJ / GB | Inventor(s) | 01 /
Russell, John Victor Andrew Carrholme Stackhouse Settle North Yorkshire / GB | [1981/06] | Representative(s) | Gura, Henry Alan, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | [1983/35] |
Former [1981/06] | Geldard, David Guthrie URQUHART-DYKES AND LORD 5th Floor, Tower House Merrion Way Leeds, LS2 8PB West Yorkshire / GB | Application number, filing date | 80302408.2 | 17.07.1980 | [1981/06] | Priority number, date | GB19790027068 | 03.08.1979 Original published format: GB 7927068 | [1981/06] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0023784 | Date: | 11.02.1981 | Language: | EN | [1981/06] | Type: | B1 Patent specification | No.: | EP0023784 | Date: | 09.05.1984 | Language: | EN | [1984/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.11.1980 | Classification | IPC: | F04D17/16, F04D29/28, F04D29/30, F04D23/00 | [1981/06] | CPC: |
F04D23/001 (EP);
F04B17/02 (KR);
F04D17/167 (EP)
| Designated contracting states | DE, FR [1984/39] |
Former [1981/06] | AT, BE, CH, DE, FR, IT, LI, LU, NL, SE | Title | German: | Motorgetriebenes Zentrifugalgebläse für Luft | [1981/06] | English: | Power-driven centrifugal air blower | [1981/06] | French: | Ventilateur centrifuge pour l'air entraîné par un moteur | [1981/06] | File destroyed: | 12.06.1999 | Examination procedure | 27.07.1981 | Examination requested [1981/42] | 19.05.1982 | Despatch of a communication from the examining division (Time limit: M06) | 05.11.1982 | Reply to a communication from the examining division | 03.08.1983 | Despatch of communication of intention to grant (Approval: ) | 25.10.1983 | Communication of intention to grant the patent | 18.01.1984 | Fee for grant paid | 18.01.1984 | Fee for publishing/printing paid | Opposition(s) | 12.02.1985 | No opposition filed within time limit [1985/22] | Fees paid | Renewal fee | 14.07.1982 | Renewal fee patent year 03 | 18.07.1983 | Renewal fee patent year 04 |
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