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EP0325835
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Extract from the Register of European Patents
EP About this file: EP0325835
| EP0325835 - Mechanical latching device operated by dead weight and tension [Right-click to bookmark this link] | Status | The application has been refused Status updated on 19.01.1993 Database last updated on 19.10.2024 | Most recent event Tooltip | 19.01.1993 | Refusal of application | published on 10.03.1993 [1993/10] | Applicant(s) | For all designated states EASTERN OIL TOOLS PTE, LTD. Jurong Town P.O. Box 291 Singapore 9161 / SG | [N/P] |
| Former [1989/31] | For all designated states EASTERN OIL TOOLS PTE, LTD. Jurong Town P.O. Box 291 Singapore 9161 / SG | Inventor(s) | 01 /
Leggett, Henry H. 02-00 Setia Mansion 11 Evelyn Road Singapore 1130 / SG | [1989/31] | Representative(s) | Adams, William Gordon, et al RAWORTH, MOSS & COOK 36 Sydenham Road Croydon Surrey CR0 2EF / GB | [N/P] |
| Former [1991/50] | Adams, William Gordon, et al RAWORTH, MOSS & COOK 36 Sydenham Road Croydon Surrey CR0 2EF / GB | ||
| Former [1989/31] | Fisher, Bernard Raworth, Moss & Cook 36 Sydenham Road Croydon Surrey CR0 2EF / GB | Application number, filing date | 88309735.4 | 17.10.1988 | [1989/31] | Priority number, date | US19880145376 | 19.01.1988 Original published format: US 145376 | [1989/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0325835 | Date: | 02.08.1989 | Language: | EN | [1989/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.06.1989 | Classification | IPC: | E21B23/02, E21B31/18 | [1989/31] | CPC: |
E21B31/18 (EP,US);
E21B23/02 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1989/31] | Title | German: | Mechanische Einklinkvorrichtung, welche mit Totgewicht und Zugspannung arbeitet | [1989/31] | English: | Mechanical latching device operated by dead weight and tension | [1989/31] | French: | Dispositif d'encliquetage mécanique fonctionnant par gravité et traction | [1989/31] | File destroyed: | 12.06.1999 | Examination procedure | 25.11.1989 | Examination requested [1990/04] | 25.04.1991 | Despatch of a communication from the examining division (Time limit: M04) | 02.08.1991 | Reply to a communication from the examining division | 21.10.1991 | Despatch of a communication from the examining division (Time limit: M04) | 28.01.1992 | Reply to a communication from the examining division | 28.04.1992 | Despatch of communication of intention to grant (Approval: ) | 09.10.1992 | Despatch of communication that the application is refused, reason: formalities examination [1993/10] | 19.10.1992 | Application refused, date of legal effect [1993/10] | Fees paid | Renewal fee | 11.10.1990 | Renewal fee patent year 03 | 28.10.1991 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 02.11.1992 | 05 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 | [A]US4017113 (CULLEN ROY H, et al); | [A]GB2039310 (BAKER INT CORP); | [A]US4295528 (CARMODY MICHAEL); | [A]US4478279 (PUNTAR JOSEPH [US], et al); | [AD]US4687055 (LEGGETT HENRY H [SG]) |