Patent DE464931C successfully refreshed from Google Patents.
DE464931C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of longitudinal grooves in pipes
Assignee: Julius Pintsch AG
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Filing: —
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Granted: 1928-09-01
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Expires: 1945-09-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 14:57
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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