Patent DE640720C successfully refreshed from Google Patents.
DE640720C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Footwear with ventilation
Assignee: HERMANN RAHNSCH
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Filing: 1935-11-26
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Granted: 1937-01-11
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Expires: 1955-11-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 22:29
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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