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EP0228650
European procedure
Extract from the Register of European Patents
EP About this file: EP0228650
| EP0228650 - Air cooled rotary kiln collar [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.12.1990 Database last updated on 03.09.2024 | Most recent event Tooltip | 29.12.1990 | No opposition filed within time limit | published on 20.02.1991 [1991/08] | Applicant(s) | For all designated states PPG INDUSTRIES, INC. One PPG Place Pittsburgh Pennsylvania 15272 / US | [N/P] |
| Former [1987/29] | For all designated states PPG INDUSTRIES, INC. One PPG Place Pittsburgh Pennsylvania 15272 / US | Inventor(s) | 01 /
Heithoff, Robert Bernard 923 Dolly Terrace LaVale Maryland 21502 / US | 02 /
Groetzinger, John Karl 10A Gralich Road LaVale Maryland 21502 / US | [1987/29] | Representative(s) | Sternagel, Hans-Günther, et al Patentanwälte Sternagel & Fleischer Braunsberger Feld 29 51429 Bergisch Gladbach / DE | [N/P] |
| Former [1987/29] | Sternagel, Hans-Günther, Dr., et al Patentanwälte Dr. Michael Hann Dr. H.-G. Sternagel Sander Aue 30 D-51465 Bergisch Gladbach / DE | Application number, filing date | 86117550.3 | 17.12.1986 | [1987/29] | Priority number, date | US19850812039 | 23.12.1985 Original published format: US 812039 | [1987/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0228650 | Date: | 15.07.1987 | Language: | EN | [1987/29] | Type: | B1 Patent specification | No.: | EP0228650 | Date: | 07.03.1990 | Language: | EN | [1990/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.05.1987 | Classification | IPC: | C03B5/44, F27B7/22 | [1987/29] | CPC: |
C03B5/44 (EP,US);
C03B3/023 (EP,US);
F27B7/224 (EP,US);
Y02P40/50 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1987/29] | Title | German: | Luftgekühlte Drehrohrofenmanschette | [1987/29] | English: | Air cooled rotary kiln collar | [1987/29] | French: | Col de four rotatif refroidi à l'air | [1987/29] | Examination procedure | 05.01.1988 | Examination requested [1988/10] | 07.09.1988 | Despatch of a communication from the examining division (Time limit: M04) | 07.01.1989 | Reply to a communication from the examining division | 24.02.1989 | Despatch of communication of intention to grant (Approval: Yes) | 29.06.1989 | Communication of intention to grant the patent | 28.08.1989 | Fee for grant paid | 28.08.1989 | Fee for publishing/printing paid | Opposition(s) | 08.12.1990 | No opposition filed within time limit [1991/08] | Fees paid | Renewal fee | 12.12.1988 | Renewal fee patent year 03 | 15.12.1989 | 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. | Documents cited: | Search | [X]US1889509 (AMSLER WALTER O); | [AD]US2363390 (BUEHL RUSSELL C); | [A]US3016236 (BERNARDO ALONSO); | [AD]US3682453 (POWELL ARTHUR C); | [A]WO8200634 (OWENS CORNING FIBERGLASS CORP [US]) | Examination | EP0132654 |