EP0291221 - Method of producing a superconductive body, and apparatus and systems comprising the body [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.10.1997 Database last updated on 21.05.2024 | Most recent event Tooltip | 30.11.2007 | Lapse of the patent in a contracting state New state(s): NL | published on 02.01.2008 [2008/01] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1988/46] | Inventor(s) | 01 /
Sungho, Jin 145 Skyline Drive Millington New Jersey 07946 / US | 02 /
Sherwood, Richard Curry 8 Vista Lane New Providence New Jersey 07946 / US | 03 /
Tiefel, Thomas Henry 401 South Washington Avenue Piscataway New Jersey 08854 / US | [1988/46] | Representative(s) | Johnston, Kenneth Graham, et al Lucent Technologies EUR-IP UK Ltd Unit 18, Core 3 Workzone Innova Business Park Electric Avenue Enfield, EN3 7XB / GB | [N/P] |
Former [1988/46] | Johnston, Kenneth Graham, et al AT&T (UK) LTD. AT&T Intellectual Property Division 5 Mornington Road Woodford Green Essex, IG8 OTU / GB | Application number, filing date | 88304011.5 | 04.05.1988 | [1988/46] | Priority number, date | US19870049767 | 12.05.1987 Original published format: US 49767 | [1988/46] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0291221 | Date: | 17.11.1988 | Language: | EN | [1988/46] | Type: | A3 Search report | No.: | EP0291221 | Date: | 23.10.1991 | Language: | EN | [1991/43] | Type: | B1 Patent specification | No.: | EP0291221 | Date: | 11.12.1996 | Language: | EN | [1996/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.09.1991 | Classification | IPC: | H01L39/08, H01L39/12 | [1988/46] | CPC: |
H10N60/0801 (EP,US);
Y10T29/49014 (EP,US);
Y10T428/12736 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1988/46] | Title | German: | Verfahren zur Herstellung eines supraleitenden Gegenstandes sowie diesen Gegenstand verwendende Vorrichtung und Systeme | [1988/46] | English: | Method of producing a superconductive body, and apparatus and systems comprising the body | [1988/46] | French: | Procédé de fabrication d'un corps supraconducteur ainsi que dispositif et systèmes le comprenant | [1988/46] | Examination procedure | 15.04.1992 | Examination requested [1992/25] | 06.09.1994 | Despatch of a communication from the examining division (Time limit: M06) | 14.03.1995 | Reply to a communication from the examining division | 16.02.1996 | Despatch of communication of intention to grant (Approval: Yes) | 09.04.1996 | Communication of intention to grant the patent | 01.07.1996 | Fee for grant paid | 01.07.1996 | Fee for publishing/printing paid | Opposition(s) | 12.09.1997 | No opposition filed within time limit [1997/49] | Fees paid | Renewal fee | 16.05.1990 | Renewal fee patent year 03 | 14.12.1990 | Renewal fee patent year 04 | 19.05.1992 | Renewal fee patent year 05 | 17.05.1993 | Renewal fee patent year 06 | 12.05.1994 | Renewal fee patent year 07 | 12.05.1995 | Renewal fee patent year 08 | 20.05.1996 | Renewal fee patent year 09 |
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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. | Lapses during opposition Tooltip | IT | 11.12.1996 | NL | 11.12.1996 | [2003/07] |
Former [1999/42] | IT | 11.12.1996 | Documents cited: | Search | [E]EP0285319 (AMERICAN TELEPHONE & TELEGRAPH [US]); | [E]EP0301283 (ASEA BROWN BOVERI [CH]); | [E]EP0318921 (ALSTHOM [FR]) | [A] - JAPANESE JOURNAL OF APPLIED PHYSICS.LETTERS vol. 26, no. 5, May 1987, TOKYO JP pages 759 - 760; O. KOHNO ET AL: "Critical temperature and critical current density of La-Sr-Cu oxide wires" | [XP] - APPLIED PHYSICS LETTERS. vol. 51, no. 3, 20 July 1987, NEW YORK US pages 203 - 204; S. JIN ET AL: "High Tc superconductors-composite wire fabrication" | [XP] - FUJIKAMA TECHNICAL REVIEW vol. 17, February 1988, TOKYO JP pages 1 - 4; H. OSANAI ET AL: "High temperature superconducting oxide wires" | Examination | EP0281474 | - Proceedings of Symposium S, 1987, Spring Meeting of the Material Research Society, April 23 - 24 1987, pages 219 - 221 |