DE862548C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Light filters for photographic use
Assignee: Individual
•
Filing: 1951-05-11
•
Granted: 1953-01-12
•
Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert Trautner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 01:00
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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