FR487371A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to indicators of drills and taps
Assignee: JOHN ISAAC DEVOC BRISTOL
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Filing: 1917-10-31
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Granted: 1918-06-28
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Expires: 1937-10-31
Abstract
No abstract record available.
Inventors
- 👤 John Isaac Devoc Bristol
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/003
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