-
EP0186408
European procedure
Extract from the Register of European Patents
EP About this file: EP0186408
| EP0186408 - Improvements in or relating to cutting elements for rotary drill bits [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.07.1990 Database last updated on 31.08.2024 | Most recent event Tooltip | 26.07.1990 | No opposition filed within time limit | published on 12.09.1990 [1990/37] | Applicant(s) | For all designated states Reed Tool Company Limited Hycalog Oldends Lane Industrial Estate Stonehouse, Gloucestershire / GB | [N/P] |
| Former [1989/19] | For all designated states Reed Tool Company Limited Hycalog Oldends Lane Industrial Estate Stonehouse, Gloucestershire / GB | ||
| Former [1986/27] | For all designated states NL PETROLEUM PRODUCTS LIMITED Stroud Industrial Estate Oldends Lane Stonehouse Gloucestershire / GB | Inventor(s) | 01 /
Shirley-Fisher, David Neil The Cottage Coberley Cheltenham Gloucestershire / GB | [1986/27] | Representative(s) | Carter, Gerald, et al Arthur R. Davies & Co. 27 Imperial Square Cheltenham, Gloucestershire GL50 1RQ / GB | [1986/27] | Application number, filing date | 85309156.9 | 16.12.1985 | [1986/27] | Priority number, date | GB19840032587 | 22.12.1984 Original published format: GB 8432587 | [1986/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0186408 | Date: | 02.07.1986 | Language: | EN | [1986/27] | Type: | A3 Search report | No.: | EP0186408 | Date: | 01.07.1987 | Language: | EN | [1987/27] | Type: | B1 Patent specification | No.: | EP0186408 | Date: | 04.10.1989 | Language: | EN | [1989/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.05.1987 | Classification | IPC: | E21B10/56, B23K9/00 | [1986/27] | CPC: |
E21B10/5673 (EP,US);
Y10T407/26 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, LI, NL, SE [1986/27] | Title | German: | Schneidelement für Drehbohrmeissel | [1986/27] | English: | Improvements in or relating to cutting elements for rotary drill bits | [1986/27] | French: | Elément de coupe pour trépan de forage rotatif | [1986/27] | File destroyed: | 03.03.2001 | Examination procedure | 16.12.1987 | Examination requested [1988/07] | 08.11.1988 | Despatch of communication of intention to grant (Approval: Yes) | 03.04.1989 | Communication of intention to grant the patent | 24.04.1989 | Fee for grant paid | 24.04.1989 | Fee for publishing/printing paid | Opposition(s) | 05.07.1990 | No opposition filed within time limit [1990/37] | Fees paid | Renewal fee | 08.01.1988 | Renewal fee patent year 03 | 16.12.1988 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 01.01.1988 | 03 M06 Fee paid on 08.01.1988 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | CH | 04.10.1989 | LI | 04.10.1989 | SE | 04.10.1989 | [1990/21] |
| Former [1990/18] | CH | 04.10.1989 | |
| LI | 04.10.1989 | Documents cited: | Search | [A]DE1029503 (SIEMENS AG); | [A]US4221270 (VEZIRIAN EDWARD); | [A]US4373593 (PHAAL CORNELIUS [ZA], et al); | [A]DE3225050 (HILTI AG [LI]) | [A] - THE OIL AND GAS JOURNAL, vol. 75, no. 16, 18th April 1977, pages 71-72, Tulsa, Oklahoma, US; "Diamond composites used in new bits" |