Patent FR721338A successfully refreshed from Google Patents.
FR721338A
Expired / Lapsed
FR
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Dust vacuum cleaner
Assignee: Nathaniel Brackett Wales
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Filing: 1931-08-13
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Granted: 1932-03-02
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Expires: 1951-08-13
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel Brackett Wales
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 15:05
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L5/00; A47L5/12; A47L5/22; A47L5/24; A47L5/28; A47L9/1427
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References Cited (Backward Citations)
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