FR64219E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to internal combustion engines
Assignee: Lucien Grillet
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Filing: 1953-01-29
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Granted: 1955-11-09
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Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Lucien Grillet
- 👤 Henri-Victor-Leon Regnault
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 21:07
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; F02M2700/4345
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References Cited (Backward Citations)
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