Patent DE522161C successfully refreshed from Google Patents.
DE522161C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for cold drawing of metal pipes
Assignee: MAX BITTERSMANN
•
Filing: 1929-06-13
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Granted: 1931-04-01
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Expires: 1949-06-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
B; B21; B21C; B21C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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