FR509982A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New four-stroke engine cycle and the means and devices for achieving it
Assignee: ALFRED GROOS
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Filing: 1919-06-03
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Granted: 1920-11-24
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Expires: 1939-06-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred Groos
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 03:21
CPC Classifications
F; F02; F02B; F02B41/00; F02B41/02; F02B41/04; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027
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