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EP0581580
European procedure
Extract from the Register of European Patents
EP About this file: EP0581580
| EP0581580 - Gate drive circuit for a MOS power transistor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.07.1999 Database last updated on 17.07.2024 | Most recent event Tooltip | 21.06.2002 | Lapse of the patent in a contracting state | published on 07.08.2002 [2002/32] | Applicant(s) | For all designated states STMicroelectronics, Inc. 1310 Electronics Drive Carrollton, TX 75006-5039 / US | [1999/08] |
| Former [1994/05] | For all designated states SGS-THOMSON MICROELECTRONICS, INC. 1310 Electronics Drive Carrollton Texas 75006 / US | Inventor(s) | 01 /
Hopkins, Thomas Lea R. 304 Clair Lane , Cary McHenry County, Illinois 60013 / US | [1994/05] | Representative(s) | Palmer, Roger, et al PAGE, WHITE & FARRER 54 Doughty Street London WC1N 2LS / GB | [1994/05] | Application number, filing date | 93305948.7 | 28.07.1993 | [1994/05] | Priority number, date | US19920923266 | 31.07.1992 Original published format: US 923266 | [1994/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0581580 | Date: | 02.02.1994 | Language: | EN | [1994/05] | Type: | A3 Search report | No.: | EP0581580 | Date: | 28.12.1994 | Language: | EN | [1994/52] | Type: | B1 Patent specification | No.: | EP0581580 | Date: | 23.09.1998 | Language: | EN | [1998/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.11.1994 | Classification | IPC: | H03K17/04, H03K17/06 | [1994/52] | CPC: |
H03K17/04123 (EP,US);
H03K17/063 (EP,US)
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| Former IPC [1994/05] | H03K17/04 | Designated contracting states | DE, FR, GB, IT [1994/05] | Title | German: | Gate-Treiberschaltung für einen MOS-Leistungstransistor | [1994/05] | English: | Gate drive circuit for a MOS power transistor | [1994/05] | French: | Circuit d'attaque de grille pour un transistor MOS de puissance | [1994/05] | Examination procedure | 19.06.1995 | Examination requested [1995/33] | 23.12.1996 | Despatch of a communication from the examining division (Time limit: M06) | 12.05.1997 | Reply to a communication from the examining division | 10.09.1997 | Despatch of communication of intention to grant (Approval: Yes) | 06.03.1998 | Communication of intention to grant the patent | 02.06.1998 | Fee for grant paid | 02.06.1998 | Fee for publishing/printing paid | Opposition(s) | 24.06.1999 | No opposition filed within time limit [1999/37] | Fees paid | Renewal fee | 29.06.1995 | Renewal fee patent year 03 | 12.07.1996 | Renewal fee patent year 04 | 15.07.1997 | Renewal fee patent year 05 | 21.07.1998 | 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. | Lapses during opposition Tooltip | FR | 23.09.1998 | [2002/32] | Documents cited: | Search | [X]US5072134 (MIN DONG-SUN [KR]) [X] 1-4,6,8,9,11,13-16 * column 3, line 42 - column 4, line 21; figures 3,4 *; | [X]WO9105402 (ALLIED SIGNAL INC [US]) [X] 1 * page 5, line 23 - line 30 * * page 7, line 20 - page 9, line 1; figures 3A,3B,4 *; | [X]FR2654880 (SIEMENS AUTOMOTIVE SA [FR]) [X] 1 * page 6, line 18 - page 7, line 26; figures 2,3 *; | [A]US4992683 (ROBIN JR JOSEPH F [US]) [A] 1 * column 1, line 42 - column 3, line 7; figure 1 * |