Patent CA1010136A successfully refreshed from Google Patents.
CA1010136A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Liquid crystal cell having controllable optical activity
Assignee: BBC Brown Boveri AG Switzerland
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Filing: 1971-11-16
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Granted: 1977-05-10
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Expires: 1991-11-16
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Helfrich
- 👤 Martin Schadt
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-07 14:31
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/137; G02F1/139; G02F1/1396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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