Patent FR665384A successfully refreshed from Google Patents.
FR665384A
Expired / Lapsed
FR
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Chain derailment gear change device adapted to bicycle cranksets
Assignee: Marcel Pelletier
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Filing: 1928-12-07
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Granted: 1929-09-18
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Expires: 1948-12-07
Abstract
No abstract record available.
Inventors
- 👤 Marcel Pelletier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 09:50
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/105
Claims Analysis
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References Cited (Backward Citations)
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