FR443736A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to flying machines
Assignee: HENRY RICHER
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Filing: 1911-07-20
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Granted: 1912-10-01
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Expires: 1931-07-20
Abstract
No abstract record available.
Inventors
- 👤 Henry Richer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 15:12
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/385
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