FR722249A
Expired / Lapsed
FR
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Assignee: Ernst Hefendehl
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Filing: 1931-09-01
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Granted: 1932-03-14
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Expires: 1951-09-01
Abstract
No abstract record available.
Inventors
- 👤 Ernst Hefendehl
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/06; A47G2001/0688
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Total Claims: 0
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References Cited (Backward Citations)
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