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EP0138390
European procedure
Extract from the Register of European Patents
EP About this file: EP0138390
| EP0138390 - Isolation of optical surfaces from contaminating environments [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.11.1988 Database last updated on 14.03.2026 | Most recent event Tooltip | 25.11.1988 | No opposition filed within time limit | published on 11.01.1989 [1989/02] | Applicant(s) | For all designated states THE BABCOCK & WILCOX COMPANY 1010 Common Street, P.O. Box 60035 New Orleans Louisiana 70160 / US | [N/P] |
| Former [1985/17] | For all designated states THE BABCOCK & WILCOX COMPANY 1010 Common Street, P.O. Box 60035 New Orleans, Louisiana 70160 / US | Inventor(s) | 01 /
Bohl, Thomas L. 306 Hyder Drive Madison Ohio / US | 02 /
Ciammaichella, Richard C. 13575 Ravenna Road Newbury Ohio / US | [1985/17] | Representative(s) | Cotter, Ivan John, et al D Young & Co LLP 120 Holborn London EC1N 2DY / GB | [N/P] |
| Former [1985/17] | Cotter, Ivan John, et al D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA / GB | Application number, filing date | 84306298.5 | 14.09.1984 | [1985/17] | Priority number, date | US19830542876 | 17.10.1983 Original published format: US 542876 | [1985/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0138390 | Date: | 24.04.1985 | Language: | EN | [1985/17] | Type: | A3 Search report | No.: | EP0138390 | Date: | 21.11.1985 | Language: | EN | [1985/47] | Type: | B1 Patent specification | No.: | EP0138390 | Date: | 27.01.1988 | Language: | EN | [1988/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.09.1985 | Classification | IPC: | G02B23/16 | [1985/17] | CPC: |
G02B27/0006 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1985/17] | Title | German: | Isolierung optischer Oberflächen von verunreinigenden Medien | [1985/17] | English: | Isolation of optical surfaces from contaminating environments | [1985/17] | French: | Isolement de surfaces optiques de milieux ambiants contaminants | [1985/17] | Examination procedure | 09.05.1986 | Examination requested [1986/28] | 08.04.1987 | Despatch of communication of intention to grant (Approval: ) | 23.07.1987 | Communication of intention to grant the patent | 25.09.1987 | Fee for grant paid | 25.09.1987 | Fee for publishing/printing paid | Opposition(s) | 28.10.1988 | No opposition filed within time limit [1989/02] | Fees paid | Renewal fee | 21.08.1986 | Renewal fee patent year 03 | 17.08.1987 | Renewal fee patent year 04 |
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