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EP0021768
European procedure
Extract from the Register of European Patents
EP About this file: EP0021768
| EP0021768 - Method for heat treatment of clay and refractory ware [Right-click to bookmark this link] | |||
| Former [1981/01] | Method and apparatus for heat treatment of clay and refractory ware | ||
| [1984/19] | Status | No opposition filed within time limit Status updated on 20.03.1985 Database last updated on 06.07.2024 | Most recent event Tooltip | 28.09.2007 | Lapse of the patent in a contracting state New state(s): IT | published on 31.10.2007 [2007/44] | Applicant(s) | For all designated states BOC Limited Hammersmith House London W6 9DX / GB | [1981/01] | Inventor(s) | 01 /
Dyer, Anthony Oswald 9 Oak Wood Road Wetherby West Yorkshire / GB | [1981/01] | Representative(s) | Wickham, Michael, et al C/o Patent and Trademark Department BOC Limited Hammersmith House London W6 9DX / GB | [N/P] |
| Former [1981/01] | Wickham, Michael, et al c/o Patent and Trademark Department BOC Limited Hammersmith House London W6 9DX / GB | Application number, filing date | 80302026.2 | 16.06.1980 | [1981/01] | Priority number, date | GB19790021192 | 18.06.1979 Original published format: GB 7921192 | GB19800010115 | 26.03.1980 Original published format: GB 8010115 | [1981/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0021768 | Date: | 07.01.1981 | Language: | EN | [1981/01] | Type: | B1 Patent specification | No.: | EP0021768 | Date: | 09.05.1984 | Language: | EN | [1984/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.10.1980 | Classification | IPC: | C04B33/32, F27B9/36 | [1981/01] | CPC: |
C04B33/32 (EP,US);
F27B9/36 (EP,US)
| Designated contracting states | BE, DE, FR, IT, NL, SE [1981/01] | Title | German: | Verfahren zum Brennen von Ton und feuerfesten Erzeugnissen | [1984/19] | English: | Method for heat treatment of clay and refractory ware | [1984/19] | French: | Procédé pour le traitement par la chaleur de produits en argile et réfractaires | [1984/19] |
| Former [1981/01] | Verfahren und Vorrichtung zum Brennen von Ton und feuerfesten Erzeugnissen | ||
| Former [1981/01] | Method and apparatus for heat treatment of clay and refractory ware | ||
| Former [1981/01] | Procédé et dispositif pour le traitement par la chaleur de produits en argile et réfractaires | File destroyed: | 15.01.2000 | Examination procedure | 09.06.1981 | Examination requested [1981/34] | 22.01.1982 | Despatch of a communication from the examining division (Time limit: M06) | 13.07.1982 | Reply to a communication from the examining division | 21.09.1982 | Despatch of a communication from the examining division (Time limit: M06) | 08.03.1983 | Reply to a communication from the examining division | 03.08.1983 | Despatch of communication of intention to grant (Approval: ) | 25.10.1983 | Communication of intention to grant the patent | 19.12.1983 | Fee for grant paid | 19.12.1983 | Fee for publishing/printing paid | Opposition(s) | 12.02.1985 | No opposition filed within time limit [1985/21] | Fees paid | Renewal fee | 03.06.1982 | Renewal fee patent year 03 | 16.05.1983 | Renewal fee patent year 04 |
| 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. | Lapses during opposition Tooltip | IT | 09.05.1984 | SE | 09.05.1984 | [1999/42] |
| Former [1986/12] | SE | 09.05.1984 | Documents cited: | Search | [X]DE2754766 (RAVENHEAD BRICK CO LTD); | [A]DE2512485 ; | [A]DE1178767 (STEIMER ALOIS [DE]) |