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EP0169717
European procedure
Extract from the Register of European Patents
EP About this file: EP0169717
| EP0169717 - Rolling cutters for drill bits, and processes to produce same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.03.1990 Database last updated on 17.05.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states CDP, Ltd. 17 Corporate Plaza Drive Newport Beach California 92660 / US | [N/P] |
| Former [1986/05] | For all designated states CDP, Ltd. 17 Corporate Plaza Drive Newport Beach California 92660 / US | Inventor(s) | 01 /
Ecer, Gunes M. 20 Butterfly Street Irvine California 92714 / US | [1986/05] | Representative(s) | Hartley, David 4 Dyer's Buildings Holborn London EC1N 2JT / GB | [1986/05] | Application number, filing date | 85305163.9 | 19.07.1985 | [1986/05] | Priority number, date | US19840633508 | 23.07.1984 Original published format: US 633508 | [1986/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0169717 | Date: | 29.01.1986 | Language: | EN | [1986/05] | Type: | A3 Search report | No.: | EP0169717 | Date: | 30.12.1986 | Language: | EN | [1986/52] | Type: | B1 Patent specification | No.: | EP0169717 | Date: | 10.05.1989 | Language: | EN | [1989/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.11.1986 | Classification | IPC: | E21B10/50, B22F7/06, E21B10/22, E21B10/52 | [1986/52] | CPC: |
E21B10/22 (EP,US);
E21B10/52 (EP,US);
B22F2005/001 (EP,US)
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| Former IPC [1986/34] | E21B10/50, E21B10/50, E21B10/52, E21B10/52 | ||
| Former IPC [1986/05] | B22F7/06, E21B10/50, E21B10/52 | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/05] | Title | German: | Schneidrolle für Bohrmeissel und Verfahren seiner Herstellung | [1986/05] | English: | Rolling cutters for drill bits, and processes to produce same | [1986/05] | French: | Outil de coupe rotatif pour trépan de forage et son procédé de fabrication | [1986/05] | Examination procedure | 30.06.1987 | Examination requested [1987/36] | 18.05.1988 | Despatch of a communication from the examining division (Time limit: M04) | 13.08.1988 | Reply to a communication from the examining division | 23.09.1988 | Despatch of communication of intention to grant (Approval: Yes) | 11.11.1988 | Communication of intention to grant the patent | 19.01.1989 | Fee for grant paid | 19.01.1989 | Fee for publishing/printing paid | Opposition(s) | 13.02.1990 | No opposition filed within time limit [1990/18] | Fees paid | Renewal fee | 24.06.1987 | Renewal fee patent year 03 | 29.06.1988 | Renewal fee patent year 04 |
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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. | Lapses during opposition Tooltip | AT | 10.05.1989 | BE | 10.05.1989 | CH | 10.05.1989 | FR | 10.05.1989 | IT | 10.05.1989 | LI | 10.05.1989 | SE | 10.05.1989 | LU | 31.07.1989 | [2007/44] |
| Former [2002/24] | AT | 10.05.1989 | |
| BE | 10.05.1989 | ||
| CH | 10.05.1989 | ||
| FR | 10.05.1989 | ||
| IT | 10.05.1989 | ||
| LI | 10.05.1989 | ||
| SE | 10.05.1989 | ||
| LU | 31.07.1989 | ||
| Former [1999/52] | AT | 10.05.1989 | |
| BE | 10.05.1989 | ||
| CH | 10.05.1989 | ||
| IT | 10.05.1989 | ||
| LI | 10.05.1989 | ||
| SE | 10.05.1989 | ||
| LU | 31.07.1989 | ||
| Former [1999/42] | AT | 10.05.1989 | |
| BE | 10.05.1989 | ||
| CH | 10.05.1989 | ||
| IT | 10.05.1989 | ||
| LI | 10.05.1989 | ||
| SE | 10.05.1989 | ||
| Former [1990/26] | AT | 10.05.1989 | |
| CH | 10.05.1989 | ||
| LI | 10.05.1989 | ||
| SE | 10.05.1989 | ||
| BE | 31.07.1989 | ||
| Former [1990/16] | AT | 10.05.1989 | |
| CH | 10.05.1989 | ||
| LI | 10.05.1989 | ||
| SE | 10.05.1989 | ||
| Former [1990/09] | AT | 10.05.1989 | |
| SE | 10.05.1989 | ||
| Former [1989/36] | SE | 10.05.1989 | Documents cited: | Search | US4098362 [ ] (BONNICE PHILLIP E); | US4108692 [ ] (QUINLAN JOHN R); | US4172395 [ ] (KELLER WILBUR S [US]); | EP0030055 [ ] (SKF IND TRADING & DEV [NL]); | EP0111600 [ ] (REED ROCK BIT CO [US]); | EP0142941 [ ] (SMITH INTERNATIONAL [US]) |