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EP0220489
European procedure
Extract from the Register of European Patents
EP About this file: EP0220489
| EP0220489 - Electrophotographic photoconductor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.02.1991 Database last updated on 22.05.2024 | Most recent event Tooltip | 02.02.1991 | No opposition filed within time limit | published on 27.03.1991 [1991/13] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1987/19] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Balthis, Vernon Mountcastle 597, Blackhawk Road Boulder Colorado 80303 / US | 02 /
Bowden, Larry Damon 2355, Sunland Street Louisville Colorado 80027 / US | 03 /
Champ, Robert Bruce 7557, Empire Drive Boulder Colorado 80303 / US | 04 /
Kowalski, Joan Marie 5555 Nelson Road Longmont Colorado 80501 / US | [1987/19] | Representative(s) | Bonin, Jean-Jacques Compagnie IBM France Département de Propriété Intellectuelle 06610 La Gaude / FR | [N/P] |
| Former [1987/19] | Bonin, Jean-Jacques Compagnie IBM France Département de Propriété Intellectuelle F-06610 La Gaude / FR | Application number, filing date | 86113052.4 | 23.09.1986 | [1987/19] | Priority number, date | US19850791855 | 28.10.1985 Original published format: US 791855 | [1987/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0220489 | Date: | 06.05.1987 | Language: | EN | [1987/19] | Type: | B1 Patent specification | No.: | EP0220489 | Date: | 11.04.1990 | Language: | EN | [1990/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.03.1987 | Classification | IPC: | G03G5/10, G03G5/09, G03G5/14, G03G5/06 | [1987/19] | CPC: |
G03G5/0611 (EP);
G03G5/0666 (EP)
| Designated contracting states | DE, FR, GB [1987/19] | Title | German: | Elektrophotographischer Photoleiter | [1987/19] | English: | Electrophotographic photoconductor | [1987/19] | French: | Photoconducteur électrophotographique | [1987/19] | File destroyed: | 03.03.2001 | Examination procedure | 21.08.1987 | Examination requested [1987/42] | 20.01.1989 | Despatch of a communication from the examining division (Time limit: M04) | 15.03.1989 | Reply to a communication from the examining division | 23.06.1989 | Despatch of communication of intention to grant (Approval: Yes) | 28.09.1989 | Communication of intention to grant the patent | 10.10.1989 | Fee for grant paid | 10.10.1989 | Fee for publishing/printing paid | Opposition(s) | 12.01.1991 | No opposition filed within time limit [1991/13] | Fees paid | Renewal fee | 10.09.1988 | Renewal fee patent year 03 | 25.09.1989 | 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 | US4471041 [ ]; | US4391888 [ ]; | EP0102850 [ ]; | US4495263 [ ]; | US4461820 [ ] | [ ] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 24, no. 11 B , April 1982, New York, USA R.D.BALANSON et al. "Reduction of fatigue in squarylium particulate photoconductor by electrontransport doping" page 6194 lines 4-8, 24 |