EP0089669 - Method of producing vitreous carbon [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.01.1987 Database last updated on 19.10.2024 | Most recent event Tooltip | 14.01.1987 | No opposition filed within time limit | published on 04.03.1987 [1987/10] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
Former [1983/39] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Quella, Ferdinand, Dr. Parkstrasse 9 D-8035 Gauting / DE | 02 /
Schmidt, Hans-Friedrich, Dr. Graf-Tattenbach-Weg 2 D-8196 Eurasburg / DE | [1983/39] | Application number, filing date | 83102797.4 | 21.03.1983 | [1983/39] | Priority number, date | DE19823210878 | 24.03.1982 Original published format: DE 3210878 | [1983/39] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0089669 | Date: | 28.09.1983 | Language: | DE | [1983/39] | Type: | B1 Patent specification | No.: | EP0089669 | Date: | 05.03.1986 | Language: | DE | [1986/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.07.1983 | Classification | IPC: | C01B31/02, C04B35/52, D01F9/20 | [1983/39] | CPC: |
D01F9/24 (EP,US);
C01B32/05 (EP,US);
C04B35/524 (EP,US);
D01F11/12 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, LI, LU, NL, SE [1983/39] | Title | German: | Verfahren zum Herstellen von Glaskohlenstoff | [1983/39] | English: | Method of producing vitreous carbon | [1983/39] | French: | Procédé de fabrication de carbone vitreux | [1983/39] | Examination procedure | 08.03.1984 | Examination requested [1984/20] | 12.11.1984 | Despatch of a communication from the examining division (Time limit: M04) | 15.02.1985 | Reply to a communication from the examining division | 15.05.1985 | Despatch of communication of intention to grant (Approval: ) | 23.08.1985 | Communication of intention to grant the patent | 05.09.1985 | Fee for grant paid | 05.09.1985 | Fee for publishing/printing paid | Opposition(s) | 06.12.1986 | No opposition filed within time limit [1987/10] | Fees paid | Renewal fee | 28.03.1985 | Renewal fee patent year 03 |
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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 | [A]US4110515 (GUPTA NIRMAL K) | [AD] - KUNSTSTOFFE, Jahrgang 71, Heft 6, Juni 1981, Seiten 386-388, München, DE. |