Patent CA583087A successfully refreshed from Google Patents.
CA583087A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Variable power lens
Assignee: Individual
•
Filing: 1955-06-04
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Granted: 1959-09-15
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Expires: 1975-06-04
Abstract
No abstract record available.
Inventors
- 👤 J. Davenport Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-09 02:53
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/02; G02C7/06; G02C7/061; G02C7/063; G02C7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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