Patent EP0009533A1 successfully refreshed from Google Patents.
DE687337C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Square block for punching according to the Ehrhardt method
Assignee: Individual
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Filing: 1936-11-08
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Granted: 1940-01-27
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Expires: 1956-11-08
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Traut
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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