FR928901A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to internal combustion engine cylinders
Assignee: Harry Ralph Ricardo
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Filing: 1946-05-29
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Granted: 1947-12-11
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Expires: 1966-05-29
Abstract
No abstract record available.
Inventors
- 👤 Harry Ralph Ricardo
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 20:42
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F02F1/14; F02F1/002; F02F1/16; F02F1/163; F02B; F02B2275/00; F02B2275/16
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References Cited (Backward Citations)
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