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EP0072082
European procedure
Extract from the Register of European Patents
EP About this file: EP0072082
| EP0072082 - Differential amplifier circuit with precision active load [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.05.1986 Database last updated on 19.10.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): LU | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states PRECISION MONOLITHICS INC. 1500 Space Park Drive Santa Clara California 95050 / US | [N/P] |
| Former [1983/07] | For all designated states PRECISION MONOLITHICS INC. 1500 Space Park Drive Santa Clara California 95050 / US | Inventor(s) | 01 /
Nishikawa, Yukio 15311 Francis Oaks Way Los Gatos California / US | 02 /
Fukahori, Kiyoshi 2342 Price Way San Jose California 95124 / US | [1983/07] | Representative(s) | Crawford, Andrew Birkby, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1983/07] | Crawford, Andrew Birkby, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 82301339.6 | 16.03.1982 | [1983/07] | Priority number, date | US19810290418 | 06.08.1981 Original published format: US 290418 | [1983/07] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0072082 | Date: | 16.02.1983 | Language: | EN | [1983/07] | Type: | B1 Patent specification | No.: | EP0072082 | Date: | 03.07.1985 | Language: | EN | [1985/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.11.1982 | Classification | IPC: | H03F3/45 | [1983/07] | CPC: |
H03F3/343 (EP);
H03F3/45085 (EP);
H03F3/45618 (EP);
H03F2203/45654 (EP);
H03F2203/45674 (EP);
H03F2203/45676 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1983/07] | Title | German: | Schaltungsanordnung für einen Differenzverstärker mit präziser aktiver Last | [1983/07] | English: | Differential amplifier circuit with precision active load | [1983/07] | French: | Circuit amplificateur différentiel utilisant une charge active et précise | [1983/07] | File destroyed: | 15.01.2000 | Examination procedure | 19.07.1983 | Examination requested [1983/39] | 26.01.1984 | Despatch of a communication from the examining division (Time limit: M04) | 01.06.1984 | Reply to a communication from the examining division | 10.09.1984 | Despatch of communication of intention to grant (Approval: ) | 30.11.1984 | Communication of intention to grant the patent | 22.02.1985 | Fee for grant paid | 22.02.1985 | Fee for publishing/printing paid | Opposition(s) | 04.04.1986 | No opposition filed within time limit [1986/27] | Fees paid | Renewal fee | 14.03.1984 | Renewal fee patent year 03 | 13.03.1985 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | AT | 03.07.1985 | BE | 03.07.1985 | CH | 03.07.1985 | IT | 03.07.1985 | LI | 03.07.1985 | NL | 03.07.1985 | SE | 30.07.1985 | LU | 31.03.1986 | [1999/52] |
| Former [1999/42] | AT | 03.07.1985 | |
| BE | 03.07.1985 | ||
| CH | 03.07.1985 | ||
| IT | 03.07.1985 | ||
| LI | 03.07.1985 | ||
| NL | 03.07.1985 | ||
| SE | 30.07.1985 | ||
| Former [1989/19] | AT | 03.07.1985 | |
| BE | 03.07.1985 | ||
| CH | 03.07.1985 | ||
| LI | 03.07.1985 | ||
| NL | 03.07.1985 | ||
| SE | 30.07.1985 | ||
| Former [1988/13] | AT | 03.07.1985 | |
| BE | 03.07.1985 | ||
| NL | 03.07.1985 | ||
| SE | 30.07.1985 | ||
| Former [1988/04] | AT | 03.07.1985 | |
| BE | 03.07.1985 | ||
| NL | 03.07.1985 | ||
| Former [1986/47] | AT | 03.07.1985 | |
| NL | 03.07.1985 | ||
| Former [1986/31] | NL | 03.07.1985 | Documents cited: | Search | [A]DE1966421 (RCA CORP); | [A]US3786362 (MARSH D, et al); | [A]DE2358471 (TEXAS INSTRUMENTS INC); | [A]DE2520890 (ANALOG DEVICES INC); | [A]DE2322466 ; | [Y]DE2337138 ; | [X]DE2828147 (MOTOROLA INC) |