FR888359A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Spherical shutter
Assignee: Czeslaw Bojarski
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Filing: 1942-04-01
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Granted: 1943-12-10
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Expires: 1962-04-01
Abstract
No abstract record available.
Inventors
- 👤 Czeslaw Bojarski
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 07:44
CPC Classifications
A; A45; A45D; A45D34/00; B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/266
Claims Analysis
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References Cited (Backward Citations)
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