Patent DE680887C successfully refreshed from Google Patents.
DE680887C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for the production of a hollow cylinder-like sleeve made from a wire in zigzag form as a wall dowel
Assignee: Individual
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Filing: 1935-10-31
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Granted: 1939-09-09
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Expires: 1955-10-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 11:21
CPC Classifications
B; B21; B21F; B21F43/00; F; F16; F16B; F16B13/00; F16B13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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