FR42770E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to seals or warranty seals
Assignee: NAT DES RECH S SCIENT ET IND E
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Filing: 1932-12-07
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Granted: 1933-10-10
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Expires: 1952-12-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-10 01:18
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0352
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