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EP0461764
European procedure
Extract from the Register of European Patents
EP About this file: EP0461764
| EP0461764 - EPROM virtual ground array [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.05.2001 Database last updated on 19.07.2024 | Most recent event Tooltip | 11.05.2001 | No opposition filed within time limit | published on 27.06.2001 [2001/26] | Applicant(s) | For all designated states WaferScale Integration Inc. 47280 Kato Road Fremont, CA 94538 / US | [1991/51] | Inventor(s) | 01 /
Eitan, Boaz 957 Cascade Drive Sunnyvale, California 94087 / US | [1991/51] | Representative(s) | WP Thompson, et al 138 Fetter Lane London EC4A 1BT / GB | [N/P] |
| Former [1991/51] | W.P. THOMPSON & CO., et al Celcon House 289-293 High Holborn London WC1V 7HU / GB | Application number, filing date | 91304482.2 | 17.05.1991 | [1991/51] | Priority number, date | US19900539657 | 13.06.1990 Original published format: US 539657 | [1991/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0461764 | Date: | 18.12.1991 | Language: | EN | [1991/51] | Type: | A3 Search report | No.: | EP0461764 | Date: | 03.06.1992 | Language: | EN | [1992/23] | Type: | B1 Patent specification | No.: | EP0461764 | Date: | 12.07.2000 | Language: | EN | [2000/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.04.1992 | Classification | IPC: | H01L27/115, G11C16/04 | [1991/51] | CPC: |
G11C16/0491 (EP,US);
H10B69/00 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1991/51] | Title | German: | EPROM-Matrix mit virtueller Erdung | [1991/51] | English: | EPROM virtual ground array | [1991/51] | French: | Matrice EPROM à masse virtuelle | [1991/51] | Examination procedure | 20.08.1992 | Examination requested [1992/42] | 20.07.1994 | Despatch of a communication from the examining division (Time limit: M06) | 05.05.1995 | Reply to a communication from the examining division | 09.02.1996 | Despatch of a communication from the examining division (Time limit: M04) | 14.06.1996 | Reply to a communication from the examining division | 20.06.1997 | Despatch of a communication from the examining division (Time limit: M04) | 20.10.1997 | Reply to a communication from the examining division | 14.07.1999 | Despatch of communication of intention to grant (Approval: Yes) | 19.11.1999 | Communication of intention to grant the patent | 17.01.2000 | Fee for grant paid | 24.03.2000 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time | 03.04.2000 | Fee for publishing/printing paid | Opposition(s) | 13.04.2001 | No opposition filed within time limit [2001/26] | Request for further processing for: | 03.04.2000 | Request for further processing filed | 03.04.2000 | Full payment received (date of receipt of payment) Request granted | 14.04.2000 | Decision despatched | 05.05.1995 | Request for further processing filed | 05.05.1995 | Full payment received (date of receipt of payment) Request deemed not to be filed | 19.05.1995 | Decision despatched | Fees paid | Renewal fee | 10.05.1993 | Renewal fee patent year 03 | 26.05.1994 | Renewal fee patent year 04 | 26.04.1995 | Renewal fee patent year 05 | 22.04.1996 | Renewal fee patent year 06 | 28.04.1997 | Renewal fee patent year 07 | 22.04.1998 | Renewal fee patent year 08 | 03.05.1999 | Renewal fee patent year 09 | 04.05.2000 | Renewal fee patent year 10 |
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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 | [A]US4281397 (NEAL JOSEPH H, et al); | [A]GB2144006 (TOKYO SHIBAURA ELECTRIC CO); | [A]EP0326465 (SGS THOMSON MICROELECTRONICS [FR]) |