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FR511156A
Expired / Lapsed
FR
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Improvements to tool shafts
Assignee: Individual
•
Filing: 1920-03-05
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Granted: 1920-12-18
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Expires: 1940-03-05
Abstract
No abstract record available.
Inventors
- 👤 Charles Edward Van Norman
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 17:56
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/08; F16C35/12; B; B24; B24B; B24B41/00; B24B41/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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