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EP0223553
European procedure
Extract from the Register of European Patents
EP About this file: EP0223553
| EP0223553 - Pressure operated downhole tool with releasable safety device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.07.1993 Database last updated on 24.08.2024 | Most recent event Tooltip | 23.11.2007 | Lapse of the patent in a contracting state New state(s): ES | 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 [1987/22] | For all designated states HALLIBURTON COMPANY P.O. Drawer 1431 Duncan Oklahoma 73536 / US | Inventor(s) | 01 /
Ringgenberg, Paul David 335 Blackjack Lane Route No. 6 Duncan Oklahoma 73533 / US | [1987/22] | Representative(s) | Wain, Christopher Paul, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1987/22] | Wain, Christopher Paul, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 86308809.2 | 12.11.1986 | [1987/22] | Priority number, date | US19850797730 | 12.11.1985 Original published format: US 797730 | [1987/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0223553 | Date: | 27.05.1987 | Language: | EN | [1987/22] | Type: | A3 Search report | No.: | EP0223553 | Date: | 31.05.1989 | Language: | EN | [1989/22] | Type: | B1 Patent specification | No.: | EP0223553 | Date: | 02.09.1992 | Language: | EN | [1992/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.04.1989 | Classification | IPC: | E21B34/10 | [1987/22] | CPC: |
E21B49/001 (EP,US);
E21B34/103 (EP,US);
E21B2200/04 (EP,US)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1987/22] | Title | German: | Druckbetätigtes Bohrlochwerkzeug mit Sicherheitsauslösevorrichtung | [1987/22] | English: | Pressure operated downhole tool with releasable safety device | [1987/22] | French: | Outil de fond de puits actionné par pression avec dispositif de sécurité déclenchable | [1987/22] | Examination procedure | 14.07.1989 | Examination requested [1989/37] | 29.10.1990 | Despatch of a communication from the examining division (Time limit: M04) | 06.03.1991 | Reply to a communication from the examining division | 10.06.1991 | Despatch of a communication from the examining division (Time limit: M06) | 04.11.1991 | Reply to a communication from the examining division | 10.12.1991 | Despatch of communication of intention to grant (Approval: Yes) | 03.03.1992 | Communication of intention to grant the patent | 22.05.1992 | Fee for grant paid | 22.05.1992 | Fee for publishing/printing paid | Opposition(s) | 03.06.1993 | No opposition filed within time limit [1993/34] | Fees paid | Renewal fee | 14.11.1988 | Renewal fee patent year 03 | 09.11.1989 | Renewal fee patent year 04 | 20.11.1990 | Renewal fee patent year 05 | 11.11.1991 | Renewal fee patent year 06 |
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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 | IT | 02.09.1992 | ES | 13.12.1992 | [2004/03] |
| Former [1999/42] | IT | 02.09.1992 | Documents cited: | Search | [A]US3939913 (MOTT JAMES D); | [AD]US3970147 (JESSUP ROBERT L, et al); | [AD]US4064937 (BARRINGTON BURCHUS Q); | [A]US4113012 (EVANS ROBERT T, et al); | [A]US4270610 (BARRINGTON BURCHUS Q); | [A]US4403659 (UPCHURCH JAMES M [US]); | [A]US4474242 (UPCHURCH JAMES M [US]) |