DE900305C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Chain ratio changer that can be attached to a bicycle and is driven by means of a rigid linkage
Assignee: Individual
•
Filing: 1951-08-22
•
Granted: 1953-12-21
•
Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 Ernst Trost
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 10:55
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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References Cited (Backward Citations)
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