Patent US6229764B1 successfully refreshed from Google Patents.
DE565182C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Chimney cleaning device
Assignee: WALTER GRAHLKE
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Filing: 1930-04-30
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Granted: 1932-11-26
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Expires: 1950-04-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 14:35
CPC Classifications
F; F23; F23J; F23J3/00; F23J3/02; F23J3/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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