| European Case Law Identifier: | ECLI:EP:BA:1991:T047689.19910910 | ||||||||
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| Date of decision: | 10 September 1991 | ||||||||
| Case number: | T 0476/89 | ||||||||
| Application number: | 81902892.9 | ||||||||
| IPC class: | F16K 31/12 | ||||||||
| Language of proceedings: | EN | ||||||||
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| Title of application: | Back-flow prevention valve | ||||||||
| Applicant name: | Sargent-Welch Scientific Comp. | ||||||||
| Opponent name: | Leybold AG | ||||||||
| Board: | 3.2.01 | ||||||||
| Headnote: | - | ||||||||
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| Keywords: | Interpretation of a claim Inventive step (yes) Apportionment of costs (no) |
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Source: http://www.epo.org/law-practice/case-law-appeals/recent/t890476eu1.html
Date retrieved: 17 May 2021