Patent FR697720A successfully refreshed from Google Patents.
FR697720A
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New device for cleaning facades, scraping and dusting all wall surfaces
Assignee: Bernard De Billy
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Filing: 1930-06-20
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Granted: 1931-01-21
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Expires: 1950-06-20
Abstract
No abstract record available.
Inventors
- 👤 Bernard De Billy
- 👤 Hugues Paupy
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 20:20
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/38; A47L11/4052; A47L11/4058; A47L11/4061; A47L11/4063; A47L11/4069; A47L11/4072; A47L11/4075
Claims Analysis
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References Cited (Backward Citations)
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