Nova Patents
FR2554866B1

Measuring instrument intended to be used in a borehole and working during the drilling operation

Abstract

This record has no abstract on file.

Term

Term ended

Expired 6 December 2004, 21.8 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

96 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

Priority claims5

Priority claims
DocumentOfficeKindDate
6852679United States of AmericaA
8418637FranceA
7968526–––
FR19840018637–––
US19790068526–––

Members96

Family members, oldest first
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