Patent DE403142C successfully refreshed from Google Patents.
DE403142C
Expired / Lapsed
DE
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Light meter
Assignee: OSKAR TWERDY DR
•
Filing: 1923-03-20
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Granted: 1924-09-27
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Expires: 1943-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 15:49
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/20; G01J1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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