FR696774A
Expired / Lapsed
FR
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Advanced nut and bolt tightening system
Assignee: Hugues-Louis Dardelet
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Filing: 1929-08-19
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Granted: 1931-01-07
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Expires: 1949-08-19
Abstract
No abstract record available.
Inventors
- 👤 Hugues-Louis Dardelet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:29
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/0426; E; E04; E04B; E04B1/00; E04B1/38; E04B1/48; B23B2220/00; B23B2220/12
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