EP0271836 - Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.07.1994 Database last updated on 20.07.2024 | Most recent event Tooltip | 09.07.1994 | No opposition filed within time limit | published on 31.08.1994 [1994/35] | Applicant(s) | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [N/P] |
Former [1988/25] | For all designated states FUJITSU LIMITED 1015, Kamikodanaka, Nakahara-ku Kawasaki-shi, Kanagawa 211 / JP | Inventor(s) | 01 /
Tonomoto, Yoshihiro FUJITSU LTD. Patent Dep. Kosugi Fujitsu Bd. 1812-10 Shimonumabe Nakahara-ku Kawasaki-shi Kanagawa 211 / JP | [1988/25] | Representative(s) | Sunderland, James Harry, et al Haseltine Lake LLP Lincoln House 300 High Holborn London WC1V 7JH / GB | [N/P] |
Former [1988/25] | Sunderland, James Harry, et al HASELTINE LAKE & CO Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT / GB | Application number, filing date | 87118382.8 | 11.12.1987 | [1988/25] | Priority number, date | JP19860297492 | 16.12.1986 Original published format: JP 29749286 | [1988/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0271836 | Date: | 22.06.1988 | Language: | EN | [1988/25] | Type: | A3 Search report | No.: | EP0271836 | Date: | 07.02.1990 | Language: | EN | [1990/06] | Type: | B1 Patent specification | No.: | EP0271836 | Date: | 08.09.1993 | Language: | EN | [1993/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.12.1989 | Classification | IPC: | G03G15/20, G03G21/00 | [1988/25] | CPC: |
B01D46/00 (EP,US);
B01D46/0032 (KR);
B01D39/14 (EP,US);
B01D46/0001 (KR);
B01D46/0038 (KR);
B01D46/62 (KR);
B03C3/155 (EP,US);
B03C3/64 (EP,US);
G03G15/20 (KR);
| Designated contracting states | DE, FR, GB [1988/25] | Title | German: | Filter zum Entfernen von Tonerdampf und -staub in einem elektrofotographischen oder elektrostatischen Aufnahmegerät | [1988/25] | English: | Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus | [1988/25] | French: | Filtre pour enlever la fumée et la poussière de toner dans un appareil d'enregistrement électrophotographique ou électrostatique | [1988/25] | Examination procedure | 19.02.1990 | Examination requested [1990/17] | 26.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 05.08.1992 | Reply to a communication from the examining division | 04.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 03.03.1993 | Communication of intention to grant the patent | 28.05.1993 | Fee for grant paid | 28.05.1993 | Fee for publishing/printing paid | Opposition(s) | 09.06.1994 | No opposition filed within time limit [1994/35] | Fees paid | Renewal fee | 07.12.1989 | Renewal fee patent year 03 | 04.12.1990 | Renewal fee patent year 04 | 02.12.1991 | Renewal fee patent year 05 | 07.12.1992 | Renewal fee patent year 06 |
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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]JP58083879 ; | [A]FR963621 ; | [Y]GB1513699 (HITACHI JIDOSHABUHINHANBAI KK, et al); | [A]US4215682 (DAVIS CHARLES I [US], et al) | [YD] - PATENT ABSTRACTS OF JAPAN, vol. 7, no. 180 (P-215)[1325], 9th August 1983; & JP-A-58 083 879 (FUJITSU K.K.) 19-05-1983, & JP58083879 A 00000000 | by applicant | JPS5567313 | JPS5883879 | JPS60168510 | JPS60168511 | JPS6146215 |