FR496478A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in defense devices against attacks by enemy aircraft or balloons
Assignee: Individual
•
Filing: 1918-05-02
•
Granted: 1919-11-07
•
Expires: 1938-05-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick William Chamier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 09:35
CPC Classifications
F; F41; F41H; F41H11/00; F41H11/02; F41H11/04
Claims Analysis
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References Cited (Backward Citations)
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