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EP0503275
European procedure
Extract from the Register of European Patents
EP About this file: EP0503275
| EP0503275 - Large bore hydraulic drilling jar [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.03.1997 Database last updated on 04.06.2024 | Most recent event Tooltip | 07.03.1997 | No opposition filed within time limit | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states Dailey Petroleum Services Corp. 207 N. Frazier Road Conroe Texas 77303 / US | [N/P] |
| Former [1992/38] | For all designated states DAILEY PETROLEUM SERVICES CORP. 207 N. Frazier Road Conroe, Texas 77303 / US | Inventor(s) | 01 /
Evans, Robert W. 12986 Wood Harbor Montgomery, Texas 77356 / US | [1992/38] | Representative(s) | Jack, Bruce J. Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München / DE | [N/P] |
| Former [1992/38] | Jack, Bruce James FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München / DE | Application number, filing date | 92102083.0 | 07.02.1992 | [1992/38] | Priority number, date | US19910670249 | 15.03.1991 Original published format: US 670249 | [1992/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0503275 | Date: | 16.09.1992 | Language: | EN | [1992/38] | Type: | A3 Search report | No.: | EP0503275 | Date: | 19.05.1993 | Language: | EN | [1993/20] | Type: | B1 Patent specification | No.: | EP0503275 | Date: | 01.05.1996 | Language: | EN | [1996/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.03.1993 | Classification | IPC: | E21B31/113 | [1992/38] | CPC: |
E21B31/113 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, MC, NL, PT, SE [1992/38] | Title | German: | Hydraulische Rutschschere grossen Durchmessers | [1992/38] | English: | Large bore hydraulic drilling jar | [1992/38] | French: | Coulisse de forage hydraulique de grand diamètre | [1992/38] | Examination procedure | 01.06.1993 | Examination requested [1993/31] | 20.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 23.12.1994 | Reply to a communication from the examining division | 26.05.1995 | Despatch of communication of intention to grant (Approval: No) | 27.09.1995 | Despatch of communication of intention to grant (Approval: later approval) | 02.10.1995 | Communication of intention to grant the patent | 02.01.1996 | Fee for grant paid | 02.01.1996 | Fee for publishing/printing paid | Opposition(s) | 04.02.1997 | No opposition filed within time limit [1997/17] | Fees paid | Renewal fee | 08.02.1994 | Renewal fee patent year 03 | 10.02.1995 | Renewal fee patent year 04 | 26.02.1996 | 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]US4059167 (BERRYMAN WILLIAM O); | [AD]US4361195 (EVANS ROBERT W) |