Patent DE497409C successfully refreshed from Google Patents.
DE497409C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Cleaning device with rotating cleaning brush or the like driven by a turbine built into the device.
Assignee: Individual
•
Filing: 1927-09-13
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Granted: 1930-05-09
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Expires: 1947-09-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/02; A46B13/04; A46B13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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