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EP0271505
European procedure
Extract from the Register of European Patents
EP About this file: EP0271505
| EP0271505 - POWER DIVIDER/COMBINER CIRCUIT [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.03.1993 Database last updated on 14.03.2026 | Most recent event Tooltip | 25.03.1993 | No opposition filed within time limit | published on 12.05.1993 [1993/19] | Applicant(s) | For all designated states Hughes Aircraft Company 7200 Hughes Terrace P.O. Box 45066 Los Angeles, California 90045-0066 / US | [N/P] |
| Former [1990/33] | For all designated states Hughes Aircraft Company 7200 Hughes Terrace P.O. Box 45066 Los Angeles, California 90045-0066 / US | ||
| Former [1989/35] | For all designated states Hughes Aircraft Company 7200 Hughes Terrace P.O.Box 45066 Los Angeles California 90045-0066 / US | ||
| Former [1988/25] | For all designated states Hughes Aircraft Company 7200 Hughes Terrace P.O. Box 45066 Los Angeles California 90045-0066 / US | Inventor(s) | 01 /
SCHELLENBERG, James, M. 18091 Fieldburg Lane Huntington Beach, CA 92647 / US | 02 /
YAU, Wing 1014 Kornblum Avenue Torrance, CA 90503 / US | [1988/25] | Representative(s) | Winter, Brandl - Partnerschaft mbB Alois-Steinecker-Straße 22 85354 Freising / DE | [N/P] |
| Former [1989/35] | KUHNEN, WACKER & PARTNER Alois-Steinecker-Strasse 22 D-85354 Freising / DE | ||
| Former [1988/25] | KUHNEN, WACKER & PARTNER Patent- und Rechtsanwaltsbüro, Alois-Steineckerstrasse 22 D-85354 Freising / DE | Application number, filing date | 87902973.4 | 30.03.1987 | [1988/25] | WO1987US00681 | Priority number, date | US19860868211 | 28.05.1986 Original published format: US 868211 | [1988/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8707438 | Date: | 03.12.1987 | Language: | EN | [1987/27] | Type: | A1 Application with search report | No.: | EP0271505 | Date: | 22.06.1988 | Language: | EN | The application published by WIPO in one of the EPO official languages on 03.12.1987 takes the place of the publication of the European patent application. | [1988/25] | Type: | B1 Patent specification | No.: | EP0271505 | Date: | 20.05.1992 | Language: | EN | [1992/21] | Search report(s) | International search report - published on: | EP | 03.12.1987 | Classification | IPC: | H01P5/12 | [1988/25] | CPC: |
H01P5/16 (EP);
H01P5/12 (EP,KR)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1988/25] | Title | German: | LEISTUNGSTEILER UND SUMMIERER | [1988/25] | English: | POWER DIVIDER/COMBINER CIRCUIT | [1988/25] | French: | CIRCUIT DIVISEUR/COMBINATEUR DE PUISSANCE | [1988/25] | Entry into regional phase | 23.12.1987 | National basic fee paid | 23.12.1987 | Designation fee(s) paid | 23.12.1987 | Examination fee paid | Examination procedure | 23.12.1987 | Examination requested [1988/25] | 15.11.1990 | Despatch of a communication from the examining division (Time limit: M04) | 25.03.1991 | Reply to a communication from the examining division | 29.07.1991 | Despatch of communication of intention to grant (Approval: Yes) | 22.11.1991 | Communication of intention to grant the patent | 28.02.1992 | Fee for grant paid | 28.02.1992 | Fee for publishing/printing paid | Opposition(s) | 23.02.1993 | No opposition filed within time limit [1993/19] | Fees paid | Renewal fee | 14.02.1989 | Renewal fee patent year 03 | 08.02.1990 | Renewal fee patent year 04 | 17.12.1990 | Renewal fee patent year 05 | 19.02.1992 | 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. | Cited in | International search | [A] H.J. REICH et al.: "Microwave Theory and Techniques", 1953, D. Van Nostrand Co., Inc. (New York, US), pages 101-104 see pages 101-104, section 2-12: "Skin Effect" [A] | [A] Proceedings of the 12th European Microwave Conference, 13-17 September 1982, Helsinki, FI, Microwave Exhibitions Ltd, (Tunbridge Wells, Kent GB), F.C. DE RONDE: "A Multi-Octave Matched Quarterwave Microstrip Taper", pages 617-621 see the whole document [A] | [A] IEEE Transactions on Microwave Theory and Techniques, Volume MTT-28, No. 6, June 1980, IEEE, (New York, US), A.A.M. SALEH: "Planar Electrically Symmetric N-Way Hybrid Power Dividers/Combiners", pages 555-563 cited in the application [A] | [XP] W YAU ET AL.: "An N-way broadband planar power combiner/divider", MICROWAVE JOURNAL, vol. 29, no. 11, November 1986 (1986-11-01), DEDHAM MASSACHUSETTS US, pages 147 - 151 [XP] |