-
EP0620954
European procedure
- EP About this file
- EP Legal status
- EP Federated register
- EP Event history
- EP Citations
- EP Patent family
- EP All documents
Extract from the Register of European Patents
EP About this file: EP0620954
| EP0620954 - SWITCHING AMPLIFIER [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 22.03.1996 Database last updated on 02.11.2024 | Most recent event Tooltip | 13.11.2009 | Change - representative | published on 16.12.2009 [2009/51] | Applicant(s) | For all designated states INFINITY SYSTEMS, INC. 9409 Owensmouth Chatsworth, CA 91311 / US | [1994/43] | Inventor(s) | 01 /
TURNER, Wheeler, M. 35 Anacata Street, Bakersfield California CA 93101 / US | [1994/47] |
| Former [1994/43] | 01 /
TURNER, Wheeler, M. 141 Walnut Lane Santa Barbara, CA 93111 / US | Representative(s) | Jackson, Richard Eric Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB | [N/P] |
| Former [2009/51] | Jackson, Richard Eric Carpmaels & Ransford 43-45 Bloomsbury Square London WC1A 2RA / GB | ||
| Former [1994/43] | Jackson, Richard Eric Carpmaels & Ransford, 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 93902872.6 | 31.12.1992 | [1994/43] | WO1992US11360 | Priority number, date | US19920817862 | 06.01.1992 Original published format: US 817862 | [1994/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9314563 | Date: | 22.07.1993 | Language: | EN | [1993/18] | Type: | A1 Application with search report | No.: | EP0620954 | Date: | 26.10.1994 | Language: | EN | The application published by WIPO in one of the EPO official languages on 22.07.1993 takes the place of the publication of the European patent application. | [1994/43] | Search report(s) | International search report - published on: | US | 22.07.1993 | (Supplementary) European search report - dispatched on: | EP | 01.02.1996 | Classification | IPC: | H03F3/38, H03F3/217 | [1996/12] | CPC: |
H03F3/2171 (EP,US);
H03F3/38 (KR)
|
| Former IPC [1994/43] | H03F3/38 | Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE [1994/43] | Title | German: | SCHALTVERSTÄRKER | [1994/43] | English: | SWITCHING AMPLIFIER | [1994/43] | French: | AMPLIFICATEUR A DECOUPAGE | [1994/43] | File destroyed: | 13.09.2003 | Entry into regional phase | 12.07.1994 | National basic fee paid | 12.07.1994 | Search fee paid | 12.07.1994 | Designation fee(s) paid | 12.07.1994 | Examination fee paid | Examination procedure | 02.08.1993 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 12.07.1994 | Examination requested [1994/43] | 19.03.1996 | Application withdrawn by applicant [1996/19] | Fees paid | Renewal fee | 12.07.1994 | Renewal fee patent year 03 | 08.12.1995 | 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. | Documents cited: | Search | [YA]US4531096 (YOKOYAMA KENJI [JP]) [Y] 1,4,5,7,8 * column 5, line 52 - column 7, line 20; figures 6-8 * [A] 9; | [Y]FR1365878 (M.A.G. BOSE) [Y] 1,4,5,7,8 * page 5, column R, line 53 - page 7, column R, line 48; figure 9 * | International search | [A]US4415863 (TOKUMO AKIO [JP]) |