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EP0131451
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EP About this file: EP0131451
| EP0131451 - Improvements in drilling equipment [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.03.1988 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states Intech Oil Tools Ltd. 10372-58 Avenue Edmonton Alberta / CA | [N/P] |
| Former [1985/03] | For all designated states Intech Oil Tools Ltd. 10372-58 Avenue Edmonton Alberta / CA | Inventor(s) | 01 /
Walter, Bruno H. 7207-119 Street Edmonton Alberta / CA | [1985/03] | Representative(s) | Bryer, Kenneth Robert Bryers LLP 7 Gay Street Bath BA1 2PH / GB | [N/P] |
| Former [1987/37] | Bryer, Kenneth Robert K.R. Bryer & Co. Lewins House Lewins Mead Bristol BS1 2NN / GB | ||
| Former [1985/03] | Bryer, Kenneth Robert Coosehecca Chacewater Truro TR4 8QU Cornwall / GB | Application number, filing date | 84304634.3 | 06.07.1984 | [1985/03] | Priority number, date | CA19830432054 | 08.07.1983 Original published format: CA 432054 | [1985/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0131451 | Date: | 16.01.1985 | Language: | EN | [1985/03] | Type: | A3 Search report | No.: | EP0131451 | Date: | 05.02.1986 | Language: | EN | [1986/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.12.1985 | Classification | IPC: | E21B21/00, E21B7/18, E21B7/24 | [1985/03] | CPC: |
E21B7/24 (EP,US);
E21B21/12 (EP,US);
E21B7/18 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1985/03] | Title | German: | Bohrvorrichtung | [1985/03] | English: | Improvements in drilling equipment | [1985/03] | French: | Dispositif de forage | [1985/03] | File destroyed: | 08.08.1994 | Examination procedure | 01.08.1986 | Examination requested [1986/41] | 29.06.1987 | Despatch of a communication from the examining division (Time limit: M04) | 10.11.1987 | Application deemed to be withdrawn, date of legal effect [1988/19] | 10.12.1987 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1988/19] | Fees paid | Renewal fee | 04.07.1986 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 31.07.1987 | 04 M06 Not yet paid |
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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 | [Y]US2743083 (ZUBLIN JOHN A); | [Y]US2780438 (BIELSTELN WALTER J); | [X]US3096833 (BODINE ALBERT G); | [X]US3415330 (BOUYOUCOS JOHN V); | [A]US3416613 (HENDERSON HOMER I); | [A]US3441094 (GALLE EDWARD M, et al); | [Y]US3768576 (MARTINI L) |