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EP0728908
European procedure
Extract from the Register of European Patents
EP About this file: EP0728908
| EP0728908 - Steerable rotary drilling system [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.06.2001 Database last updated on 24.08.2024 | Most recent event Tooltip | 15.06.2001 | No opposition filed within time limit | published on 01.08.2001 [2001/31] | Applicant(s) | For all designated states CAMCO DRILLING GROUP LIMITED Hycalog Oldends Lane Industrial Estate Stonehouse Gloucestershire GL10 3RQ / GB | [N/P] |
| Former [1996/35] | For all designated states CAMCO DRILLING GROUP LIMITED Hycalog Oldends Lane Industrial Estate Stonehouse, Gloucestershire GL10 3RQ / GB | Inventor(s) | 01 /
Barr, John D. 2 Charlton Park Gate Cheltenham, Gloucestershire / GB | 02 /
Motion, William C. 5 Greenfields, Newbarn Lane Prestbury, Gloucestershire / GB | 03 /
Russell, Michael K. Lynworth House, 54 High Street, Prestbury Cheltenham, Gloucestershire / GB | [1996/35] | Representative(s) | Carter, Gerald, et al Arthur R. Davies & Co. 27 Imperial Square Cheltenham, Gloucestershire GL50 1RQ / GB | [1996/35] | Application number, filing date | 96300970.9 | 13.02.1996 | [1996/35] | Priority number, date | GB19950003828 | 25.02.1995 Original published format: GB 9503828 | [1996/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0728908 | Date: | 28.08.1996 | Language: | EN | [1996/35] | Type: | A3 Search report | No.: | EP0728908 | Date: | 06.08.1997 | [1997/32] | Type: | B1 Patent specification | No.: | EP0728908 | Date: | 16.08.2000 | Language: | EN | [2000/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.06.1997 | Classification | IPC: | E21B7/04, E21B7/06, E21B47/01, E21B47/18 | [1997/32] | CPC: |
E21B7/04 (EP,US);
E21B47/22 (EP,US);
E21B41/0085 (EP,US);
E21B47/01 (EP,US);
E21B47/18 (EP,US);
E21B7/06 (EP,US)
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| Former IPC [1996/35] | E21B7/04, E21B7/06, E21B47/01 | Designated contracting states | BE, DE, FR, IT, NL [1996/35] | Title | German: | Drehbohrsystem für richtungsgesteuertes Bohren | [1996/35] | English: | Steerable rotary drilling system | [1996/35] | French: | Système de forage rotatif à déviation réglable | [1996/35] | Examination procedure | 14.01.1998 | Examination requested [1998/12] | 15.10.1999 | Despatch of communication of intention to grant (Approval: Yes) | 22.02.2000 | Communication of intention to grant the patent | 04.04.2000 | Fee for grant paid | 04.04.2000 | Fee for publishing/printing paid | Opposition(s) | 17.05.2001 | No opposition filed within time limit [2001/31] | Fees paid | Renewal fee | 11.02.1998 | Renewal fee patent year 03 | 10.02.1999 | Renewal fee patent year 04 | 11.02.2000 | 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]US4562560 (KAMP ANTHONY W [NL]) [A] 22 * column 5, line 26 - line 36 *; | [A]US4675852 (RUSSELL MICHAEL K [GB], et al) [A] 22 * column 6, line 20 - line 65 *; | [A]EP0325047 (KING RUSSELL MICHAEL [GB], et al) [A] 22 * column 4, line 10 - line 32 *; | [DA]GB2257182 (CAMCO DRILLING GROUP LTD [GB]) [DA] 1,12 * the whole document *; | [A]DE4134609 (BERGWERKSVERBAND GMBH [DE]) [A] 22 * column 2, line 53 - line 60 *; | [PA]EP0681090 (ANADRILL INT SA [PA], et al) [PA] 22 * page 5, line 10 - line 23 ** page 7, line 21 - line 53 * |