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EP0077451
European procedure
Extract from the Register of European Patents
EP About this file: EP0077451
| EP0077451 - Storage subsystem including a bypassable cache [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.03.1989 Database last updated on 28.03.2026 | Most recent event Tooltip | 22.04.1989 | Lapse of the patent in a contracting state | published on 07.06.1989 [1989/23] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1983/17] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Duke, Alan Herschel 9050 E Saddleback Drive Tucson, AZ 85715 / US | 02 /
Hartung, Michael Howard 3865 N Tanuri Drive Tucson, AZ 85712 / US | 03 /
Marschner, Frederick James 1341 N Sunspot Place Tucson, AZ 85715 / US | 04 /
Nolan, Kenneth Patrick 1704 Pine Street Boulder Colorado 80302 / US | [1983/17] | Representative(s) | Grant, Iain Murray IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | [N/P] |
| Former [1983/17] | Grant, Iain Murray IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | Application number, filing date | 82107802.9 | 25.08.1982 | [1983/17] | Priority number, date | US19810311570 | 15.10.1981 Original published format: US 311570 | [1983/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0077451 | Date: | 27.04.1983 | Language: | EN | [1983/17] | Type: | A3 Search report | No.: | EP0077451 | Date: | 19.03.1986 | Language: | EN | [1986/12] | Type: | B1 Patent specification | No.: | EP0077451 | Date: | 08.06.1988 | Language: | EN | [1988/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.01.1986 | Classification | IPC: | G06F13/00, G06F12/08 | [1988/23] | CPC: |
G06F12/0866 (EP,US);
G06F12/0888 (EP,US)
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| Former IPC [1986/09] | G06F13/00, G11C9/06 | ||
| Former IPC [1983/17] | G06F13/00 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1983/17] | Title | German: | Speicher-Subsystem mit einem überbrückbaren Cache-Speicher | [1983/17] | English: | Storage subsystem including a bypassable cache | [1983/17] | French: | Sous-système de mémoire à antémémoire court-circuitable | [1983/17] | Examination procedure | 23.08.1983 | Examination requested [1983/43] | 27.01.1987 | Despatch of a communication from the examining division (Time limit: M06) | 18.07.1987 | Reply to a communication from the examining division | 15.09.1987 | Despatch of communication of intention to grant (Approval: Yes) | 09.12.1987 | Communication of intention to grant the patent | 12.01.1988 | Fee for grant paid | 12.01.1988 | Fee for publishing/printing paid | Opposition(s) | 09.03.1989 | No opposition filed within time limit [1989/20] | Fees paid | Renewal fee | 23.08.1984 | Renewal fee patent year 03 | 20.08.1985 | Renewal fee patent year 04 | 19.08.1986 | Renewal fee patent year 05 | 21.08.1987 | 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. | Lapses during opposition Tooltip | SE | 30.06.1988 | [1989/23] | Documents cited: | Search | [A] PROCEEDINGS OF THE COMP-CON FALL 80: DISTRIBUTED COMPUTING, 23rd-25th September 1980, Twenty-first IEEE Computer Society International Conference, Washington, D.C., pages 412-416, New York, US; T.TOKUNAGA et al.: "Integrated disk cache system with file adaptive control" [A] |