FR573979A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to portable electric vacuum cleaners
Assignee: Rene-Georges Merle
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Filing: 1923-11-19
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Granted: 1924-07-03
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Expires: 1943-11-19
Abstract
No abstract record available.
Inventors
- 👤 Rene-Georges Merle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362
Claims Analysis
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References Cited (Backward Citations)
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