Patent US5684562A successfully refreshed from Google Patents.
Patent DE532495C successfully refreshed from Google Patents.
DE532495C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for displaying the wind direction by means of smoke generated by chemicals
Assignee: Individual
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Filing: —
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Granted: 1931-09-08
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Expires: 1948-09-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-10 01:14
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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