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EP0248833
European procedure
Extract from the Register of European Patents
EP About this file: EP0248833
| EP0248833 - DRILL STRING STABILISER [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.06.1991 Database last updated on 31.08.2024 | Most recent event Tooltip | 29.06.1991 | No opposition filed within time limit | published on 21.08.1991 [1991/34] | Applicant(s) | For all designated states DRILEX UK LIMITED Suite 2 9A Portland Place London W1N 3AA / GB | [N/P] |
| Former [1987/51] | For all designated states DRILEX UK LIMITED Suite 2 9A Portland Place London W1N 3AA / GB | Inventor(s) | 01 /
FORREST, John 3 Beaconhill House Milltimber Aberdeen / GB | 02 /
TULLOCH, Rory 51a Chapel Street Aberdeen / GB | 03 /
STEWART, William Braeside Cowbog New Pitsligo / GB | [1987/51] | Representative(s) | Gray, Robin Oliver, et al BARON & WARREN 18 South End Kensington London W8 5BU / GB | [1987/51] | Application number, filing date | 86906901.3 | 28.11.1986 | [1987/51] | WO1986GB00728 | Priority number, date | GB19850030078 | 06.12.1985 Original published format: GB 8530078 | [1987/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8703642 | Date: | 18.06.1987 | Language: | EN | [1987/13] | Type: | A1 Application with search report | No.: | EP0248833 | Date: | 16.12.1987 | Language: | EN | The application published by WIPO in one of the EPO official languages on 18.06.1987 takes the place of the publication of the European patent application. | [1987/51] | Type: | B1 Patent specification | No.: | EP0248833 | Date: | 29.08.1990 | Language: | EN | [1990/35] | Search report(s) | International search report - published on: | EP | 18.06.1987 | Classification | IPC: | E21B17/10 | [1987/51] | CPC: |
E21B17/1078 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1987/51] | Title | German: | BOHRSTRANGSTABILISATOR | [1987/51] | English: | DRILL STRING STABILISER | [1987/51] | French: | STABILISATEUR DE TRAIN DE TIGES DE FORAGE | [1987/51] | Entry into regional phase | 15.08.1987 | National basic fee paid | 15.08.1987 | Designation fee(s) paid | 15.08.1987 | Examination fee paid | Examination procedure | 15.08.1987 | Examination requested [1987/51] | 28.09.1988 | Despatch of a communication from the examining division (Time limit: M06) | 27.03.1989 | Reply to a communication from the examining division | 24.10.1989 | Despatch of communication of intention to grant (Approval: No) | 19.02.1990 | Despatch of communication of intention to grant (Approval: later approval) | 26.02.1990 | Communication of intention to grant the patent | 01.05.1990 | Fee for grant paid | 01.05.1990 | Fee for publishing/printing paid | Opposition(s) | 30.05.1991 | No opposition filed within time limit [1991/34] | Fees paid | Renewal fee | 18.11.1988 | Renewal fee patent year 03 | 21.11.1989 | Renewal fee patent year 04 |
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