FR555976A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Gradual speed change
Assignee: Roger Campion
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Filing: 1922-09-12
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Granted: 1923-07-10
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Expires: 1942-09-12
Abstract
No abstract record available.
Inventors
- 👤 Roger Campion
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; F16H3/721; F16H3/722
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References Cited (Backward Citations)
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