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EP0350978
European procedure
Extract from the Register of European Patents
EP About this file: EP0350978
| EP0350978 - Method for determining drilling conditions while drilling [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.06.1994 Database last updated on 08.06.2024 | Most recent event Tooltip | 11.06.1994 | No opposition filed within time limit | published on 03.08.1994 [1994/31] | Applicant(s) | For all designated states Anadrill International SA 8 Calle Aquilino de la Guardia Panama City / PA | [1990/03] | Inventor(s) | 01 /
Falconer, Ian 4950 Sugar Grove Boulevard N0.2203 Stafford Texas 77477 / US | [1990/03] | Representative(s) | Dupont, Henri c/o Schlumberger Cambridge Research Limited Post Box 153 Cambridge CB3 0HG / GB | [N/P] |
| Former [1990/03] | Dupont, Henri c/o Schlumberger Cambridge Research Limited Post Box 153 Cambridge CB3 0HG / GB | Application number, filing date | 89201513.2 | 12.06.1989 | [1990/03] | Priority number, date | US19880218730 | 13.07.1988 Original published format: US 218730 | [1990/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0350978 | Date: | 17.01.1990 | Language: | EN | [1990/03] | Type: | B1 Patent specification | No.: | EP0350978 | Date: | 11.08.1993 | Language: | EN | [1993/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.11.1989 | Classification | IPC: | E21B44/00, E21B49/00 | [1990/03] | CPC: |
E21B49/003 (EP,US);
E21B44/00 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1990/03] | Title | German: | Verfahren zur Bestimmung von Bohrbedingungen während des Bohrens | [1990/03] | English: | Method for determining drilling conditions while drilling | [1990/03] | French: | Procédé pour la détermination de conditions de forage pendant le forage | [1990/03] | Examination procedure | 25.06.1990 | Examination requested [1990/34] | 22.07.1991 | Despatch of a communication from the examining division (Time limit: M04) | 05.11.1991 | Reply to a communication from the examining division | 20.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 18.05.1992 | Reply to a communication from the examining division | 07.09.1992 | Despatch of communication of intention to grant (Approval: Yes) | 21.12.1992 | Communication of intention to grant the patent | 24.02.1993 | Fee for grant paid | 24.02.1993 | Fee for publishing/printing paid | Opposition(s) | 12.05.1994 | No opposition filed within time limit [1994/31] | Fees paid | Renewal fee | 07.05.1991 | Renewal fee patent year 03 | 02.04.1992 | Renewal fee patent year 04 | 27.05.1993 | 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. | Documents cited: | Search | [A]US2372576 (HAYWARD JOHN T); | [A]EP0163426 (PRAD RES & DEV NV [NL]); | [AD]US4627276 (BURGESS TREVOR M [US], et al) |