T 0344/89 () of 19.12.1991

European Case Law Identifier: ECLI:EP:BA:1991:T034489.19911219
Date of decision: 19 December 1991
Case number: T 0344/89
Application number: 83104853.3
IPC class: C04B 41/87
Language of proceedings: EN
Distribution:
Download and more information:
Decision text in EN (PDF, 377 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Coated composite silicon nitride cutting tools
Applicant name: GTE Laboratories Incorporated
Opponent name: 1) Sandvik AB
2) Fried. Krupp GmbH
Board: 3.3.02
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 56
Keywords: Inventive step - no - obvious improvement
Catchwords:

-

Cited decisions:
T 0001/80
T 0021/81
T 0192/82
T 0013/84
Citing decisions:
T 0440/91
T 0043/97
T 0284/98
T 0767/02
T 2233/08
T 0377/14
T 0639/14
T 0321/16

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t890344eu1.html

Date retrieved: 17 May 2021

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