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EP0216527
European procedure
Extract from the Register of European Patents
EP About this file: EP0216527
| EP0216527 - Methods and apparatus for well completion operations [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.09.1991 Database last updated on 17.05.2024 | Most recent event Tooltip | 23.11.2007 | Lapse of the patent in a contracting state New state(s): IT | published on 26.12.2007 [2007/52] | Applicant(s) | For all designated states HALLIBURTON COMPANY P.O. Drawer 1431 Duncan Oklahoma 73536 / US | [N/P] |
| Former [1987/14] | For all designated states HALLIBURTON COMPANY P.O. Drawer 1431 Duncan Oklahoma 73536 / US | Inventor(s) | 01 /
George, Flint R. 6118 Magnolia Katy Texas 77449 / US | 02 /
Haugen, David M. 7575 Katy Freeway No.115 Houston Texas 77024 / US | 03 /
Gill, Bennie C. 2810 Eagle Rock Circle Missouri City Texas 77489 / US | [1987/14] | Representative(s) | Wain, Christopher Paul, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1987/14] | Wain, Christopher Paul, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 86306608.0 | 27.08.1986 | [1987/14] | Priority number, date | US19850770502 | 27.08.1985 Original published format: US 770502 | [1987/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0216527 | Date: | 01.04.1987 | Language: | EN | [1987/14] | Type: | A3 Search report | No.: | EP0216527 | Date: | 27.07.1988 | Language: | EN | [1988/30] | Type: | B1 Patent specification | No.: | EP0216527 | Date: | 28.11.1990 | Language: | EN | [1990/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.06.1988 | Classification | IPC: | E21B33/129, E21B23/06 | [1987/14] | CPC: |
E21B33/1295 (EP);
E21B23/06 (EP)
| Designated contracting states | AT, DE, FR, GB, IT, NL [1987/14] | Title | German: | Verfahren und Vorrichtung zum Ausführen von Arbeiten in einem Bohrloch | [1987/14] | English: | Methods and apparatus for well completion operations | [1987/14] | French: | Procédé et dispositif pour les opérations d'intervention dans les puits | [1987/14] | File destroyed: | 03.03.2001 | Examination procedure | 13.01.1989 | Examination requested [1989/11] | 10.07.1989 | Despatch of a communication from the examining division (Time limit: M04) | 14.11.1989 | Reply to a communication from the examining division | 29.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 28.05.1990 | Communication of intention to grant the patent | 25.07.1990 | Fee for grant paid | 25.07.1990 | Fee for publishing/printing paid | Opposition(s) | 29.08.1991 | No opposition filed within time limit [1991/47] | Fees paid | Renewal fee | 10.08.1988 | Renewal fee patent year 03 | 14.08.1989 | Renewal fee patent year 04 | 18.08.1990 | Renewal fee patent year 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. | Lapses during opposition Tooltip | AT | 28.11.1990 | IT | 28.11.1990 | [1999/42] |
| Former [1991/42] | AT | 28.11.1990 | Documents cited: | Search | [A]US3283820 (TAUSCH GILBERT H); | [Y]US4285400 (MULLINS II ALBERT A); | [A]GB2108180 (CAMCO INC); | [A]US4516634 (PITTS GLEN E [US]); | [Y]US4526229 (DICKERSON RICHARD C [US]) |