Patent DE691145C successfully refreshed from Google Patents.
DE691145C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Machine for the production of screw bolts from blanks
Assignee: National Machinery Co
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Filing: 1934-09-01
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Granted: 1940-05-18
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Expires: 1954-09-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 10:01
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21K; B21K1/00; B21K1/44
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Total Claims: 0
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