| EP0657696 - Heat exchanger for combustion apparatus [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.06.1999 Database last updated on 11.04.2026 | Most recent event Tooltip | 17.02.2006 | Change - lapse in a contracting state Updated state(s): FR | published on 05.04.2006 [2006/14] | Applicant(s) | For all designated states Chiyoda Corporation 12-1, 2-chome Tsurumi-chuo Tsurumi-ku Yokohama-shi Kanagawa-ken / JP | For all designated states FURNACE TECHNO CO LTD Sawadaseitoku Bld. 4-7 Horaicho 2-chome, Naka-ku Yokohama-shi Kanagawa-ken / JP | [N/P] |
| Former [1995/24] | For all designated states Chiyoda Corporation 12-1, 2-chome Tsurumi-chuo Tsurumi-ku Yokohama-shi Kanagawa-ken / JP | ||
| For all designated states FURNACE TECHNO CO LTD Sawadaseitoku Bld. 4-7 Horaicho 2-chome, Naka-ku Yokohama-shi, Kanagawa-ken / JP | Inventor(s) | 01 /
Bunya, Shunzo, c/o Chiyoda Corporation 12-1 Tsurumi Chuo 2-chome, Tsurumi-ku Yokohama-shi, Kanagawa-ken / JP | 02 /
Kaji, Hitoshi, c/o Chiyoda Corporation 12-1 Tsurumi Chuo 2-chome, Tsurumi-ku Yokohama-shi, Kanagawa-ken / JP | 03 /
Hirose, Yasuo, c/o Furnace Techno Co., Ltd. Sawadaseitoku Bldg, 4-7 Horaicho 2-chome, Naka-ku Yokohama-shi, Kanagawa-ken / JP | [1995/24] | Representative(s) | Allam, Peter Clerk Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW / GB | [N/P] |
| Former [1995/24] | Allam, Peter Clerk LLOYD WISE, TREGEAR & CO. Norman House 105-109 Strand London WC2R 0AE / GB | Application number, filing date | 94309067.0 | 06.12.1994 | [1995/24] | Priority number, date | JP19930306439 | 07.12.1993 Original published format: JP 30643993 | JP19940294761 | 29.11.1994 Original published format: JP 29476194 | [1995/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0657696 | Date: | 14.06.1995 | Language: | EN | [1995/24] | Type: | A3 Search report | No.: | EP0657696 | Date: | 15.01.1997 | [1997/03] | Type: | B1 Patent specification | No.: | EP0657696 | Date: | 19.08.1998 | Language: | EN | [1998/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.11.1995 | Classification | IPC: | F23L15/02, F28D17/02 | [1995/52] | CPC: |
F28D17/02 (EP,US);
F28D17/00 (KR);
F23L15/02 (EP,US);
Y02E20/34 (EP,US)
|
| Former IPC [1995/24] | F23L15/02 | Designated contracting states | DE, FR, GB [1995/24] | Title | German: | Wärmetauscher für Verbrennungsvorrichtung | [1995/24] | English: | Heat exchanger for combustion apparatus | [1995/24] | French: | Echangeur de chaleur pour appareil de combustion | [1995/24] | Examination procedure | 15.11.1996 | Examination requested [1997/02] | 20.02.1997 | Despatch of a communication from the examining division (Time limit: M06) | 25.09.1997 | Reply to a communication from the examining division | 30.09.1997 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time | 27.10.1997 | Despatch of communication of intention to grant (Approval: No) | 06.02.1998 | Despatch of communication of intention to grant (Approval: later approval) | 19.02.1998 | Communication of intention to grant the patent | 29.04.1998 | Fee for grant paid | 29.04.1998 | Fee for publishing/printing paid | Opposition(s) | 20.05.1999 | No opposition filed within time limit [1999/32] | Request for further processing for: | 30.09.1997 | Request for further processing filed | 25.09.1997 | Full payment received (date of receipt of payment) Request granted | 10.10.1997 | Decision despatched | 25.09.1997 | Request for further processing filed | 25.09.1997 | Full payment received (date of receipt of payment) Request deemed not to be filed | 10.10.1997 | Decision despatched | 24.09.1997 | Request for further processing filed | 24.09.1997 | Full payment received (date of receipt of payment) Request deemed not to be filed | 10.10.1997 | Decision despatched | 25.09.1997 | Request for further processing filed | 25.09.1997 | Full payment received (date of receipt of payment) Request deemed not to be filed | 10.10.1997 | Decision despatched | Fees paid | Renewal fee | 11.12.1996 | Renewal fee patent year 03 | 12.12.1997 | Renewal fee patent year 04 |
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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 | FR | 19.08.1998 | [2006/14] |
| Former [1999/36] | FR | 15.01.1999 | Documents cited: | Search | [Y] FR2078916 (LINDE AG et al.) [Y] 1,2,4,8,11 * page 2, line 6 - line 40 * * page 6, line 12 - line 37; figure 5 * | [Y] EP0526172 (FURNACE TECHNO CO LTD SAWADASE et al.) [Y] 1,2,4,8 * column W * | [Y] US5275556 (HIROSE YASUO et al.) | [Y] US4850862 (BJERKLIE JOHN W et al.) [Y] 11 * column 2, line 20 - column 3, line 58; figure 1 * | [A] GB2183811 (HOWDEN JAMES & CO LTD et al.) [A] 1 * the whole document * | [A] GB1435101 (APPLEGATE G et al.) [A] 1 * column W * | [A] FR1059955 (POWER JETS RES & DEV LTD et al.) [A] 9,10 * figure 2 * | [A] FR1382962 (SVENSKA ROTOR MASKINER AB et al.) [A] 9,10 * figure 2 * | [A] DE1113534 (KRAFTANLAGEN AG et al.) [A] 9,10 * figure 1 * |