Patent FR640856A successfully refreshed from Google Patents.
FR640856A
Expired / Lapsed
FR
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Improvements to rotary vane machines usable in particular as pumps or compressors
Assignee: Albert Thoreau
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Filing: 1927-02-22
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Granted: 1928-07-24
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Expires: 1947-02-22
Abstract
No abstract record available.
Inventors
- 👤 Albert Thoreau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 14:57
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/40; F04C2/44
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Total Claims: 0
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References Cited (Backward Citations)
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