FR848964A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in gear changes for cycles by derailing the chain
Assignee: Onofre Forton
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Filing: 1938-07-21
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Granted: 1939-11-09
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Expires: 1958-07-21
Abstract
No abstract record available.
Inventors
- 👤 Onofre Forton
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 04:30
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/12; B62M9/121; B62M9/124; B62M2009/12413
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