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EP0598507
European procedure
Extract from the Register of European Patents
EP About this file: EP0598507
| EP0598507 - A method and apparatus for preventing inadvertent erasure of data in a memory [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.10.1999 Database last updated on 14.11.2024 | Most recent event Tooltip | 29.10.1999 | No opposition filed within time limit | published on 15.12.1999 [1999/50] | Applicant(s) | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | [N/P] |
| Former [1996/16] | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | ||
| Former [1994/21] | For all designated states CANON INFORMATION SYSTEMS, INC. 3188 Pullman Street Costa Mesa, CA 92626 / US | Inventor(s) | 01 /
Ip, Tony K. 21041 Wheaton Terrace Lake Forest, California 92630 / US | 02 /
Kuver, Walter D. 24766 Clarington Drive Laguna Hills, California 92653 / US | [1994/21] | Representative(s) | Beresford, Keith Denis Lewis, et al Beresford Crump LLP 16 High Holborn London WC1V 6BX / GB | [N/P] |
| Former [1994/21] | Beresford, Keith Denis Lewis, et al BERESFORD & Co. 2-5 Warwick Court High Holborn London WC1R 5DJ / GB | Application number, filing date | 93308610.0 | 28.10.1993 | [1994/21] | Priority number, date | US19920978491 | 18.11.1992 Original published format: US 978491 | [1994/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0598507 | Date: | 25.05.1994 | Language: | EN | [1994/21] | Type: | A3 Search report | No.: | EP0598507 | Date: | 28.12.1994 | Language: | EN | [1994/52] | Type: | B1 Patent specification | No.: | EP0598507 | Date: | 23.12.1998 | Language: | EN | [1998/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.11.1994 | Classification | IPC: | G11C16/06, G06F12/14 | [1994/51] | CPC: |
G06F12/1433 (EP,US);
G11C16/102 (EP,US);
G06F2212/2022 (EP,US)
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| Former IPC [1994/21] | G11C16/06 | Designated contracting states | DE, FR, GB, IT [1994/21] | Title | German: | Verfahren und Vorrichtung zur Verhinderung der unabsichtlichen Löschung gespeicherter Daten | [1994/21] | English: | A method and apparatus for preventing inadvertent erasure of data in a memory | [1994/21] | French: | Méthode et dispositif pour empêcher l'effacement accidentel de données dans une mémoire | [1994/21] | Examination procedure | 22.05.1995 | Examination requested [1995/29] | 12.05.1997 | Despatch of a communication from the examining division (Time limit: M04) | 18.09.1997 | Reply to a communication from the examining division | 27.01.1998 | Despatch of communication of intention to grant (Approval: Yes) | 19.06.1998 | Communication of intention to grant the patent | 27.08.1998 | Fee for grant paid | 27.08.1998 | Fee for publishing/printing paid | Opposition(s) | 24.09.1999 | No opposition filed within time limit [1999/50] | Fees paid | Renewal fee | 20.10.1995 | Renewal fee patent year 03 | 23.10.1996 | Renewal fee patent year 04 | 20.10.1997 | Renewal fee patent year 05 | 22.10.1998 | 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 | [YA]GB2070821 (TIMEPLEX INC) [Y] 1-8,20-22 * the whole document * [A] 18; | [Y]EP0512454 (PITNEY BOWES INC [US]) [Y] 1-8,20-22 * abstract * * column 1, line 31 - column 2, line 27 * * claims 1-8 *; | [YA]EP0326053 (NAT SEMICONDUCTOR CORP [US]) [Y] 1,8,20-22 * abstract * * page 3, line 19 - page 4, line 47 * * page 6, line 58 - page 9, line 18 * [A] 6,7; | [A]US4914576 (ZELLEY RICHARD C [US], et al) [A] 1,9,10,14,15,18 * column A; figure 1; claims 1,2 *; | [PA]DE4117326 (SIEMENS AG [DE]) [PA] 1,9,10,12,17,19 * abstract * |