DE628774C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Lens with variable optical effect
Assignee: Individual
•
Filing: 1932-09-06
•
Granted: 1936-04-16
•
Expires: 1952-09-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/12; G02B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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