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USB425035I5
Expired / Lapsed
US
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USB425035I5 - - Google Patents
Assignee: —
•
Filing: 1973-12-14
•
Granted: —
•
Expires: 1993-12-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:26
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/06; G02B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3790254A
Cited
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