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EP0052522
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Extract from the Register of European Patents
EP About this file: EP0052522
| EP0052522 - An enhanced surface tube [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 29.11.1983 Database last updated on 24.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states New Zealand Dairy & Industrial Supplies Limited 61 Mahana Road Te Rapa Hamilton / NZ | [1982/21] | Inventor(s) | 01 /
Sulzberger, Kevin John 24 Ashurst Avenue Hamilton / NZ | [1982/21] | Representative(s) | Haggart, John Pawson, et al Page, White & Farrer 5 Plough Place New Fetter Lane London EC4A 1HY / GB | [1982/21] | Application number, filing date | 81305446.7 | 18.11.1981 | [1982/21] | Priority number, date | NZ19890001955 | 19.11.1980 Original published format: NZ 195589 | [1982/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0052522 | Date: | 26.05.1982 | Language: | EN | [1982/21] | Type: | A3 Search report | No.: | EP0052522 | Date: | 24.11.1982 | Language: | EN | [1982/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.09.1982 | Classification | IPC: | F28F1/42, F28D7/10, F28D7/02 | [1982/21] | CPC: |
F28D7/026 (EP);
F28F1/003 (EP);
F28F1/42 (EP);
F28F1/426 (EP);
F28F21/083 (EP)
| Designated contracting states | AT, BE, DE, FR, GB, NL, SE [1982/21] | Title | German: | Rohr mit vergrösserter Oberfläche | [1982/21] | English: | An enhanced surface tube | [1982/21] | French: | Tube à surface augmentée | [1982/21] | File destroyed: | 18.06.1989 | Examination procedure | 19.08.1983 | Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time [1984/05] | 30.10.1983 | Application deemed to be withdrawn, date of legal effect [1984/05] |
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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 | [X]GB1145513 ; | [A]CH287675 ; | [A]FR1562938 ; | [A]US3777343 ; | [A]US3566615 ; | [A]GB960628 ; | [A]FR2347642 ; | [A]US4228848 ; | [A]US4228852 ; | [A]DE1551488 ; | [A]FR525503 ; | [A]US3826304 ; | [AD]US2913009 |