FR658237A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to devices for purifying and filtering lubricating oils
Assignee: Frederick Richard Simms
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Filing: 1928-07-28
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Granted: 1929-06-01
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Expires: 1948-07-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick Richard Simms
- 👤 Bertram Charles Joy
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 16:02
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B03C1/286
Claims Analysis
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References Cited (Backward Citations)
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