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EP0234447
European procedure
Extract from the Register of European Patents
EP About this file: EP0234447
| EP0234447 - Burner design for melting glass batch and the like [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.08.1991 Database last updated on 30.03.2026 | Most recent event Tooltip | 31.08.1991 | No opposition filed within time limit | published on 23.10.1991 [1991/43] | Applicant(s) | For all designated states PPG INDUSTRIES, INC. One PPG Place Pittsburgh Pennsylvania 15272 / US | [N/P] |
| Former [1987/36] | For all designated states PPG INDUSTRIES, INC. One PPG Place Pittsburgh Pennsylvania 15272 / US | Inventor(s) | 01 /
Tsai, Yih-Wan 217 Cornwall Drive Pittsburgh, Pa. 15272 / US | [1987/36] | Representative(s) | Sternagel, Hans-Günther, et al Patentanwälte Sternagel & Fleischer Braunsberger Feld 29 51429 Bergisch Gladbach / DE | [N/P] |
| Former [1987/36] | 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 | 87102061.6 | 13.02.1987 | [1987/36] | Priority number, date | US19860830783 | 19.02.1986 Original published format: US 830783 | [1987/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0234447 | Date: | 02.09.1987 | Language: | EN | [1987/36] | Type: | B1 Patent specification | No.: | EP0234447 | Date: | 31.10.1990 | Language: | EN | [1990/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.06.1987 | Classification | IPC: | F23D14/56, C03B5/00, C03B5/16 | [1987/36] | CPC: |
F23D14/22 (EP,US);
F23C5/02 (KR);
C03B3/02 (EP,US);
C03B5/14 (EP,US);
C03B5/235 (EP,US);
C03B5/2353 (EP,US);
F23D14/78 (EP,US);
F27B14/00 (KR);
F27B14/14 (EP,US);
F27B2014/0837 (EP,US);
F27B2014/0887 (EP,US);
F27D2099/004 (EP,US);
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1987/36] | Title | German: | Brennerausbildung für das Schmelzen von Glasgemenge und ähnlichem | [1987/36] | English: | Burner design for melting glass batch and the like | [1987/36] | French: | Construction de brûleur pour la fusion de verre de composition et analogue | [1987/36] | Examination procedure | 13.01.1988 | Examination requested [1988/11] | 17.03.1989 | Despatch of a communication from the examining division (Time limit: M04) | 11.07.1989 | Reply to a communication from the examining division | 30.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 07.05.1990 | Communication of intention to grant the patent | 27.07.1990 | Fee for grant paid | 27.07.1990 | Fee for publishing/printing paid | Opposition(s) | 01.08.1991 | No opposition filed within time limit [1991/43] | Fees paid | Renewal fee | 23.01.1989 | Renewal fee patent year 03 | 13.02.1990 | Renewal fee patent year 04 |
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