FR562884A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to internal combustion engines
Assignee: Gustave Dumont
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Filing: 1922-04-29
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Granted: 1923-11-21
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Expires: 1942-04-29
Abstract
No abstract record available.
Inventors
- 👤 Gustave Dumont
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 14:11
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/46; F01L1/462; F01L1/02; F01L1/04; F01L1/047; F01L1/053; F01L1/0532; F01L1/08; F01L2001/0535; F01L2307/00
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References Cited (Backward Citations)
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