FR559788A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Spring improvements
Assignee: Frank Rogers
•
Filing: 1922-12-14
•
Granted: 1923-09-21
•
Expires: 1942-12-14
Abstract
No abstract record available.
Inventors
- 👤 Frank Rogers
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02; F16F3/04
Claims Analysis
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References Cited (Backward Citations)
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