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EP0320956
European procedure
Extract from the Register of European Patents
EP About this file: EP0320956
| EP0320956 - Screw type vacuum pump [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.01.1994 Database last updated on 21.05.2024 | Most recent event Tooltip | 20.01.1994 | No opposition filed within time limit | published on 09.03.1994 [1994/10] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1989/25] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Naya, Koutarou Nihondaira Hausu A-5 174-1, Miyakami Shimizu-shi / JP | 02 /
Shiinoki, Kazuaki Nihondaira Hausu B-5 174-1, Miyakami Shimizu-shi / JP | 03 /
Hayakawa, Tadashi Kamakura Nyuhaitsu 103 1949, Dai Kamakura-shi / JP | 04 /
Masujima, Kiyoshi 5-28, Shineicho Chigasaki-shi / JP | 05 /
Uchida, Riichi 185-7, Asahimachi Tomobemachi Nishiibaraki-gun Ibaraki-ken / JP | 06 /
Matsubara, Katsumi 1-132, Bangai Takucho Ushiku-shi / JP | [1990/28] |
| Former [1989/25] | 01 /
Naya, Koutarou Nihondaira Hausu A-5 174-1, Miyakami Shimizu-shi / JP | ||
| 02 /
Shiinoki, Kazuaki Nihondaira Hausu B-5 174-1, Miyakami Shimizu-shi / JP | |||
| 03 /
Hayakawa, Tadashi Kamakura Nyuhaitsu 103 1949, Dai Kamakura-shi / JP | |||
| 04 /
Matsujima, Kiyoshi 5-28, Shineicho Chigasaki-shi / JP | |||
| 05 /
Uchida, Riichi 185-7, Asahimachi Tomobemachi Nishiibaraki-gun Ibaraki-ken / JP | |||
| 06 /
Matsubara, Katsumi 1-132, Bangai Takucho Ushiku-shi / JP | Representative(s) | Finck, Dieter, et al V. Füner Ebbinghaus Finck Hano Patentanwälte Mariahilfplatz 2-3 81541 München / DE | [N/P] |
| Former [1989/25] | Finck, Dieter, Dr.Ing., et al Patentanwälte v. Füner, Ebbinghaus, Finck Mariahilfplatz 2 - 3 D-81541 München / DE | Application number, filing date | 88121048.8 | 15.12.1988 | [1989/25] | Priority number, date | JP19870318880 | 18.12.1987 Original published format: JP 31888087 | [1989/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0320956 | Date: | 21.06.1989 | Language: | EN | [1989/25] | Type: | A3 Search report | No.: | EP0320956 | Date: | 21.02.1990 | Language: | EN | [1990/08] | Type: | B1 Patent specification | No.: | EP0320956 | Date: | 17.03.1993 | Language: | EN | [1993/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.01.1990 | Classification | IPC: | F04C18/16, F04C27/00 | [1989/25] | CPC: |
F04C29/0092 (EP,US);
F04C25/02 (KR);
F04C18/16 (KR);
F04C27/009 (EP,US);
Y10S418/01 (EP,US)
| Designated contracting states | BE, DE, FR, GB [1989/25] | Title | German: | Schraubenkolben-Vakuumpumpe | [1989/25] | English: | Screw type vacuum pump | [1989/25] | French: | Pompe à vide à vis | [1989/25] | Examination procedure | 15.12.1988 | Examination requested [1989/25] | 08.02.1991 | Despatch of a communication from the examining division (Time limit: M06) | 19.08.1991 | Reply to a communication from the examining division | 07.04.1992 | Despatch of communication of intention to grant (Approval: Yes) | 26.06.1992 | Communication of intention to grant the patent | 01.10.1992 | Fee for grant paid | 01.10.1992 | Fee for publishing/printing paid | Opposition(s) | 18.12.1993 | No opposition filed within time limit [1994/10] | Fees paid | Renewal fee | 31.12.1990 | Renewal fee patent year 03 | 30.12.1991 | Renewal fee patent year 04 | 29.12.1992 | 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 | [AD]EP0166851 (HITACHI LTD [JP]); | [A]US4268230 (BASSAN BENJAMIN); | [A]US3307777 (BENEDICTUS SCHIBBYE LAURITZ); | [A]GB2116634 (FIAT AUTO SPA); | [A]EP0156096 (CERAC INST SA [CH]) |