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EP0309267
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EP About this file: EP0309267
| EP0309267 - Heat exchanger processes [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 03.07.1991 Database last updated on 12.08.2024 | Most recent event Tooltip | 12.07.1996 | Change - applicant | published on 28.08.1996 [1996/35] | Applicant(s) | For all designated states British Gas plc Rivermill House, 152 Grosvenor Road London SW1 3JL / GB | [N/P] |
| Former [1996/35] | For all designated states British Gas plc Rivermill House, 152 Grosvenor Road London SW1V 3JL / GB | ||
| Former [1989/13] | For all designated states British Gas plc Rivermill House 152 Grosvenor Road London SW1V 3JL / GB | Inventor(s) | 01 /
Gibson, Greville Hedley 62 Purley Downs Road Purley Surrey CR2 0RA / GB | 02 /
Starr, Frederick 51 Pollards Hill North London SW16 4NJ / GB | [1989/13] | Application number, filing date | 88308848.6 | 23.09.1988 | [1989/13] | Priority number, date | GB19870022651 | 25.09.1987 Original published format: GB 8722651 | [1989/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0309267 | Date: | 29.03.1989 | Language: | EN | [1989/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.01.1989 | Classification | IPC: | F02C3/20, F01K23/06, F23C6/04 | [1989/13] | CPC: |
F02C3/20 (EP);
F02C7/141 (EP);
Y02E20/16 (EP)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1989/13] | Title | German: | Wärmeaustauscher-Verfahren | [1989/13] | English: | Heat exchanger processes | [1989/13] | French: | Procédés d'échange de chaleur | [1989/13] | File destroyed: | 02.03.1998 | Examination procedure | 28.02.1989 | Examination requested [1989/18] | 06.08.1990 | Despatch of a communication from the examining division (Time limit: M06) | 17.02.1991 | Application deemed to be withdrawn, date of legal effect [1991/34] | 25.03.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1991/34] | Fees paid | Renewal fee | 09.08.1990 | Renewal fee patent year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]GB1104075 ; | [A]DE2534841 ; | [A]FR2163673 ; | [A]EP0226458 ; | [A]US3971211 ; | [A]DE3509357 ; | [A]US4366859 |