T 0397/89 () of 8.3.1991

European Case Law Identifier: ECLI:EP:BA:1991:T039789.19910308
Date of decision: 08 March 1991
Case number: T 0397/89
Application number: 84105892.8
IPC class: E21B 7/06
E21B 17/07
Language of proceedings: EN
Distribution:
Download and more information:
Decision text in EN (PDF, 460 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Sub for connection in a drill string
Applicant name: Dailey Inc.
Opponent name: -
Board: 3.2.03
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 123(2)
Keywords: Added subject-matter (main and first auxiliary request
affirmed; second auxiliary request denied
Catchwords:

-

Cited decisions:
T 0151/84
Citing decisions:
T 0680/93
T 0034/95
T 1080/01
T 0059/05
T 2027/07
T 1467/08

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t890397eu1.html

Date retrieved: 17 May 2021

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Case Law Book: II Conditions to be met by an Application