Matra
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 02, 1990 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 404 Total Citation Count
- Dec 05, 1977 Earliest Filing
- 24 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4914487 Photoelasticity determination of a deformation or stress fieldExpiredFeb 19, 88Apr 03, 90[C01B]
4790566 Identity document difficult to falsify and a process for manufacturing such a documentExpiredOct 11, 85Dec 13, 88[B42D]
4772120 Determination of the transfer function of an optical instrumentExpiredJul 10, 86Sep 20, 88[G01M]
4709637 Temperature sensitive pyrotechnical train interruption deviceExpiredMay 23, 85Dec 01, 87[F42C]
4710645 Device for monitoring the state of an electric switch or an electric relayExpiredMay 28, 86Dec 01, 87[H03K]
4588977 Apparatus for detecting deflation of a guide wheel tire of a transportation vehicleExpiredOct 29, 82May 13, 86[B60C]
4494200 Process and apparatus for fixing the position of a moving vehicle on a mapExpiredJan 11, 82Jan 15, 85[G06F]
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