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EP0315878
European procedure
Extract from the Register of European Patents
EP About this file: EP0315878
| EP0315878 - Internal gear pump [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.02.1993 Database last updated on 30.04.2025 | Most recent event Tooltip | 04.02.1993 | No opposition filed within time limit | published on 24.03.1993 [1993/12] | Applicant(s) | For all designated states BARMAG AG Leverkuser Strasse 65 Postfach 11 02 40 D-42862 Remscheid / DE | [1989/20] | Inventor(s) | 01 /
Hertell, Siegfried Am Kattenbusch 22 a D-5608 Radevormwald / DE | 02 /
Otto, Dieter Hollberg 108 D-5828 Ennepetal / DE | [1989/20] | Representative(s) | Pfingsten, Dieter Barmag AG Postfach 11 02 40 D-42862 Remscheid / DE | [N/P] |
| Former [1989/20] | Pfingsten, Dieter, Dipl.-Ing. Barmag AG, Postfach 11 02 40 D-42862 Remscheid / DE | Application number, filing date | 88118185.3 | 02.11.1988 | [1989/20] | Priority number, date | DE19873737961 | 07.11.1987 Original published format: DE 3737961 | DE19873743153 | 19.12.1987 Original published format: DE 3743153 | [1989/20] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0315878 | Date: | 17.05.1989 | Language: | DE | [1989/20] | Type: | A3 Search report | No.: | EP0315878 | Date: | 17.01.1990 | Language: | DE | [1990/03] | Type: | B1 Patent specification | No.: | EP0315878 | Date: | 01.04.1992 | Language: | DE | [1992/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.11.1989 | Classification | IPC: | F04C2/10 | [1989/20] | CPC: |
F04C15/068 (EP);
F04C2/088 (EP);
F04C2/102 (EP)
| Designated contracting states | CH, DE, FR, GB, IT, LI, SE [1989/20] | Title | German: | Innenzahnradpumpe | [1989/20] | English: | Internal gear pump | [1989/20] | French: | Pompe à engrènement interne | [1989/20] | Examination procedure | 29.04.1989 | Examination requested [1989/27] | 12.11.1990 | Despatch of a communication from the examining division (Time limit: M04) | 13.03.1991 | Reply to a communication from the examining division | 04.09.1991 | Despatch of communication of intention to grant (Approval: Yes) | 02.10.1991 | Communication of intention to grant the patent | 16.11.1991 | Fee for grant paid | 16.11.1991 | Fee for publishing/printing paid | Opposition(s) | 05.01.1993 | No opposition filed within time limit [1993/12] | Fees paid | Renewal fee | 15.10.1990 | Renewal fee patent year 03 | 06.11.1991 | 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. | Documents cited: | Search | [YD]DE3444859 ; | [A]DE3444857 ; | [Y]FR2196678 ; | [A]US4145167 ; | [A]US2428181 ; | [A]US3490383 ; | [A]US4025243 ; | [A]US2830542 |