FR439016A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Boring machine in the shape of a torus
Assignee: Individual
•
Filing: 1912-01-15
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Granted: 1912-06-04
•
Expires: 1932-01-15
Abstract
No abstract record available.
Inventors
- 👤 Frederic Beck
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 16:59
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/365
Claims Analysis
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References Cited (Backward Citations)
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