Patent DE556984C successfully refreshed from Google Patents.
DE556984C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Safety coupling for multi-spindle devices for screwing in or tightening screws of all kinds at the same time
Assignee: Individual
•
Filing: 1930-06-01
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Granted: 1932-08-17
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Expires: 1950-06-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 17:35
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206; B; B25; B25B; B25B23/00; B25B23/14; B25B23/141
Claims Analysis
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References Cited (Backward Citations)
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