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EP0639886
European procedure
Extract from the Register of European Patents
EP About this file: EP0639886
| EP0639886 - A voltage step-up circuit with regulated output voltage [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.01.1998 Database last updated on 18.11.2024 | Most recent event Tooltip | 16.01.1998 | No opposition filed within time limit | published on 04.03.1998 [1998/10] | Applicant(s) | For all designated states STMicroelectronics Srl Via C. Olivetti, 2 20041 Agrate Brianza (Milano) / IT | [N/P] |
| Former [1995/08] | For all designated states SGS-THOMSON MICROELECTRONICS S.r.l. Via C. Olivetti, 2 I-20041 Agrate Brianza (Milano) / IT | Inventor(s) | 01 /
Calligaro, Cristiano Via Salvo d'Acquisto 5 I-27020 Torre d'Isola(Pavia) / IT | 02 /
Malcovati, Piero Via San Lafranco 60 I-27100 Pavia / IT | 03 /
Torelli, Guido Via Cadorna 4 I-27016 S.Alessio Con Vialone(Pavia) / IT | [1995/08] | Application number, filing date | 93830353.4 | 18.08.1993 | [1995/08] | Filing language | IT | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0639886 | Date: | 22.02.1995 | Language: | EN | [1995/08] | Type: | B1 Patent specification | No.: | EP0639886 | Date: | 12.03.1997 | Language: | EN | [1997/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.03.1994 | Classification | IPC: | H02M3/07, G11C5/14 | [1995/08] | CPC: |
G05F1/613 (EP,US);
G05F1/465 (EP,US);
G11C5/147 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1995/08] | Title | German: | Spannungserhöhenderschaltung mit geregelter Ausgangsspannung | [1995/08] | English: | A voltage step-up circuit with regulated output voltage | [1995/08] | French: | Circuit élévateur de tension à tension de sortie reglée | [1995/08] | Examination procedure | 12.08.1995 | Examination requested [1995/42] | 22.12.1995 | Despatch of a communication from the examining division (Time limit: M04) | 18.04.1996 | Reply to a communication from the examining division | 18.06.1996 | Despatch of communication of intention to grant (Approval: Yes) | 17.09.1996 | Communication of intention to grant the patent | 20.12.1996 | Fee for grant paid | 20.12.1996 | Fee for publishing/printing paid | Opposition(s) | 13.12.1997 | No opposition filed within time limit [1998/10] | Fees paid | Renewal fee | 21.08.1995 | Renewal fee patent year 03 | 22.08.1996 | 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 | [A]EP0213503 (FUJITSU LTD [JP]) [A] 1,3,5 * page 10, line 2 - page 12, line 33; figures 6-8 *; | [A]EP0386282 (SIEMENS AG [DE]) [A] 1,2 * page 2, line 17 - page 3, line 38 *; | [A]US5162668 (CHEN CHIH-LIANG [US], et al) [A] 1 * column 4, line 21 - column 5, line 13; figure 2 *; | [A] - DANA DAVIS, "CHARGE PUMP POWERS HIGH-SIDE SWITCH", ELECTRICAL DESIGN NEWS, NEWTON. MA, US, (19911107), vol. 7, no. 23, pages 276 - 278, XP000253721 [A] 1,3,4,6 * the whole document * |