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EP0076692
European procedure
Extract from the Register of European Patents
EP About this file: EP0076692
| EP0076692 - Alkali metal, calcium fluorosilicate glass-ceramics and production thereof [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.03.1987 Database last updated on 08.04.2026 | Most recent event Tooltip | 31.03.1987 | No opposition filed within time limit | published on 20.05.1987 [1987/21] | Applicant(s) | For all designated states CORNING GLASS WORKS Houghton Park Corning New York 14831 / US | [N/P] |
| Former [1983/15] | For all designated states Corning Glass Works Houghton Park Corning New York 14831 / US | Inventor(s) | 01 /
Beall, George Halsey 106 Woodland Drive Big Flats New York / US | [1983/15] | Representative(s) | Smith, Sydney, et al Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR / GB | [N/P] |
| Former [1983/15] | Smith, Sydney, et al Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR / GB | Application number, filing date | 82305288.1 | 05.10.1982 | [1983/15] | Priority number, date | US19810308143 | 05.10.1981 Original published format: US 308143 | [1983/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0076692 | Date: | 13.04.1983 | Language: | EN | [1983/15] | Type: | B1 Patent specification | No.: | EP0076692 | Date: | 04.06.1986 | Language: | EN | [1986/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1983 | Classification | IPC: | C03C10/04, C03C3/078, C03C3/112, C03B32/00 | [1986/23] | CPC: |
C03C10/16 (EP,US)
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| Former IPC [1983/15] | C03C3/22, C03C3/04, C03B32/00 | Designated contracting states | DE, FR, GB, IT [1983/15] | Title | German: | Alkalimetall-Calciumfluorosilikat-Glaskeramiken und deren Herstellung | [1983/15] | English: | Alkali metal, calcium fluorosilicate glass-ceramics and production thereof | [1983/15] | French: | Verres céramiques de fluorosilicates des métaux alcalins et de calcium et sa production | [1983/15] | Examination procedure | 01.09.1983 | Examination requested [1983/45] | 27.03.1984 | Despatch of a communication from the examining division (Time limit: M06) | 25.09.1984 | Reply to a communication from the examining division | 13.02.1985 | Despatch of a communication from the examining division (Time limit: M04) | 25.05.1985 | Reply to a communication from the examining division | 31.10.1985 | Despatch of communication of intention to grant (Approval: ) | 06.12.1985 | Communication of intention to grant the patent | 09.01.1986 | Fee for grant paid | 09.01.1986 | Fee for publishing/printing paid | Opposition(s) | 05.03.1987 | No opposition filed within time limit [1987/21] | Fees paid | Renewal fee | 19.09.1984 | Renewal fee patent year 03 | 19.09.1985 | Renewal fee patent year 04 |
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