DE460626C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of internal threads in hollow bodies
Assignee: M F C GRONNING
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Filing: 1926-02-27
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Granted: 1928-06-01
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Expires: 1946-02-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 21:49
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/207; B21D; B21D22/00; B21D22/14; B21D22/16; B21H; B21H3/00; B21H3/08
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References Cited (Backward Citations)
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