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EP0448264
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EP About this file: EP0448264
| EP0448264 - Phase shifting circuits [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 20.09.1996 Database last updated on 13.07.2024 | Most recent event Tooltip | 20.09.1996 | Application deemed to be withdrawn | published on 06.11.1996 [1996/45] | Applicant(s) | For all designated states GEC ALSTHOM LIMITED Mill Road Rugby Warwickshire CV21 1TB / GB | [N/P] |
| Former [1991/39] | For all designated states GEC ALSTHOM LIMITED Mill Road Rugby Warwickshire CV21 1TB / GB | Inventor(s) | 01 /
Hill, Stephen Richard 38 South Walk Meir, Stoke-on-Trent, ST3 6DX / GB | [1991/39] | Representative(s) | Hoste, Colin Francis, et al Marconi Intellectual Property Crompton Close Basildon Essex SS14 3BA / GB | [N/P] |
| Former [1996/10] | Hoste, Colin Francis, et al The General Electric Company p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX / GB | ||
| Former [1991/39] | Pope, Michael Bertram Wingate The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX / GB | Application number, filing date | 91301993.1 | 11.03.1991 | [1991/39] | Priority number, date | GB19900006326 | 21.03.1990 Original published format: GB 9006326 | [1991/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0448264 | Date: | 25.09.1991 | Language: | EN | [1991/39] | Type: | A3 Search report | No.: | EP0448264 | Date: | 26.02.1992 | Language: | EN | [1992/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.01.1992 | Classification | IPC: | H03H11/18 | [1991/39] | CPC: |
G01R21/003 (EP,US);
H03H11/18 (EP,US)
| Designated contracting states | CH, DE, DK, ES, FR, IT, LI [1996/10] |
| Former [1991/39] | CH, DE, DK, ES, FR, GB, IT, LI | Title | German: | Phasenverschiebungsschaltungen | [1991/39] | English: | Phase shifting circuits | [1991/39] | French: | Circuits déphaseurs | [1991/39] | File destroyed: | 20.04.2002 | Examination procedure | 20.07.1992 | Examination requested [1992/38] | 31.03.1995 | Despatch of a communication from the examining division (Time limit: M04) | 05.07.1995 | Reply to a communication from the examining division | 19.09.1995 | Despatch of communication of intention to grant (Approval: Yes) | 22.01.1996 | Communication of intention to grant the patent | 03.05.1996 | Application deemed to be withdrawn, date of legal effect [1996/45] | 07.06.1996 | Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time [1996/45] | Fees paid | Renewal fee | 24.02.1993 | Renewal fee patent year 03 | 28.02.1994 | Renewal fee patent year 04 | 13.03.1995 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 31.03.1996 | 06 M06 Not yet paid |
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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 | [Y]US3900823 (SOKAL NATHAN O, et al); | [Y]US3378785 (NORDAHL JOHN G) | [A] - ELECTRONICS LETTERS. vol. 20, no. 10, May 1984, ENAGE GB pages 431 - 432; E.W. TAY ET AL: 'UNITY-GAIN FREQUENCY-INDEPENDENT QUADRATURE PHASE SHIFTER' | [A] - IEE PROC SECTION A A I vol. 129, no. 6, December 1982, OLD WOKING GB pages 447 - 451; R.N. ALCOCK ET AL: 'PHASE CONTROL OF PULSED BROADBAND MICROWAVE AMPLIFIERS' |