NORTH CHINA RESEARCH INSTITUTE OF ELECTRO-OPTICS
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 09, 1995 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 185 Total Citation Count
- Mar 14, 1985 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4810584 Lithium tantalum oxide coated tantalum articles with improved wear resistance and process for providing the sameExpiredApr 21, 87Mar 07, 89[C25D, B32B]
4678546 Process for providing lithium tantalum oxide coated tantalum articles with improved wear resistanceExpiredMar 27, 85Jul 07, 87[C25D]
4621642 Microwave apparatus for physiotherapeutic treatment of human and animal bodiesExpiredMar 14, 85Nov 11, 86[A61N]
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