Patent DE672422C successfully refreshed from Google Patents.
DE672422C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Rotatable feed sleeve for processing hollow workpieces with side inlet and outlet openings
Assignee: Gebrueder Heller GmbH
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Filing: 1934-10-24
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Granted: 1939-03-02
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Expires: 1954-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 16:00
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/006
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References Cited (Backward Citations)
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