-
EP0551983
European procedure
Extract from the Register of European Patents
EP About this file: EP0551983
| EP0551983 - Heat regenerative material [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.01.1998 Database last updated on 14.03.2026 | Most recent event Tooltip | 30.01.1998 | No opposition filed within time limit | published on 18.03.1998 [1998/12] | Applicant(s) | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho Saiwai-ku Kawasaki-shi Kanagawa-ken 210-8572 / JP | [N/P] |
| Former [1995/01] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP | ||
| Former [1993/29] | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho Saiwai-ku Kawasaki-shi / JP | Inventor(s) | 01 /
Tokai, Yoichi, c/o Intellectual Property Div. K.K. Toshiba, 1-1 Shibaura 1-chome, Minato-ku Tokyo 105 / JP | 02 /
Takahashi, Akiko, c/o Intellectual Property Div. K.K. Toshiba, 1-1 Shibaura 1-chome, Minato-ku Tokyo 105 / JP | [1993/29] | Representative(s) | Freed, Arthur Woolf, et al Marks & Clerk Incorporating Edward Evans Barker 90 Long Acre London WC2E 9RA / GB | [N/P] |
| Former [1993/29] | Freed, Arthur Woolf, et al MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS / GB | Application number, filing date | 93300063.0 | 06.01.1993 | [1993/29] | Priority number, date | JP19920001375 | 08.01.1992 Original published format: JP 137592 | JP19920261862 | 30.09.1992 Original published format: JP 26186292 | [1993/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0551983 | Date: | 21.07.1993 | Language: | EN | [1993/29] | Type: | A3 Search report | No.: | EP0551983 | Date: | 16.02.1994 | Language: | EN | [1994/07] | Type: | B1 Patent specification | No.: | EP0551983 | Date: | 26.03.1997 | Language: | EN | [1997/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.12.1993 | Classification | IPC: | C09K5/00, F25B9/14 | [1994/06] | CPC: |
F02G1/0445 (EP,US);
F25B9/14 (EP,US);
F28D17/00 (EP,US);
F02G2250/18 (EP,US);
F05C2225/08 (EP,US);
F25B2309/003 (EP,US);
F25B2321/002 (EP,US)
(-)
|
| Former IPC [1993/29] | C09K5/00, F28D17/00 | Designated contracting states | DE, GB [1993/29] | Title | German: | Regeneratives Wärmeaustauschmaterial | [1993/29] | English: | Heat regenerative material | [1993/29] | French: | Matériau pour échange régénératif de chaleur | [1993/29] | Examination procedure | 14.01.1993 | Examination requested [1993/29] | 06.12.1994 | Despatch of a communication from the examining division (Time limit: M04) | 16.03.1995 | Reply to a communication from the examining division | 10.05.1995 | Despatch of a communication from the examining division (Time limit: M04) | 12.07.1995 | Reply to a communication from the examining division | 11.08.1995 | Despatch of a communication from the examining division (Time limit: M02) | 11.09.1995 | Reply to a communication from the examining division | 06.02.1996 | Despatch of communication of intention to grant (Approval: Yes) | 08.08.1996 | Communication of intention to grant the patent | 07.11.1996 | Fee for grant paid | 07.11.1996 | Fee for publishing/printing paid | Opposition(s) | 30.12.1997 | No opposition filed within time limit [1998/12] | Fees paid | Renewal fee | 04.04.1995 | Renewal fee patent year 03 | 10.01.1996 | Renewal fee patent year 04 | 08.01.1997 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 31.01.1995 | 03 M06 Fee paid on 04.04.1995 |
| 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 | [A] DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB; APPA RAO B ET AL: "X-ray determination of Debye temperatures of some rare earth dialuminides" [A] 1-17 * abstract * | [A] J. LESS-COMMON MET. (SWITZERLAND), JOURNAL OF THE LESS-COMMON METALS, MAY 1988, SWITZERLAND, 139, 2, 241 - 247, ISSN 0022-5088 | [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 107 (M - 0942) 27 February 1990 (1990-02-27) [A] 1-17 * abstract * |