FR653003A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to motors, pumps, fans, exhaust fans and rotary meters
Assignee: Evan William Macdonald
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Filing: 1928-04-18
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Granted: 1929-03-15
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Expires: 1948-04-18
Abstract
No abstract record available.
Inventors
- 👤 Evan William Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 01:39
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06
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References Cited (Backward Citations)
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