DE740327C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Photographic screen
Assignee: PHOTOGRAPHISCHER PRAEZ SAPP FA
•
Filing: 1940-09-27
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Granted: 1943-10-16
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Expires: 1960-09-27
Abstract
No abstract record available.
Inventors
- 👤 Erich Kramell
- 👤 Dipl-Ing Wolfgang Petzold
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 16:00
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/18; G03B13/24; G03B13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US983047A
Cited
US1572236A
Cited
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