Patent FR997221A successfully refreshed from Google Patents.
FR997221A
Expired / Lapsed
FR
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Improvement in internal combustion engines
Assignee: Parfeny Yakoucheff
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Filing: 1945-06-16
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Granted: 1952-01-03
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Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 Parfeny Yakoucheff
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 15:26
CPC Classifications
F; F02; F02B; F02B25/00; F02B2700/00; F02B2700/03; F02B2700/034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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