Patent DE478950C successfully refreshed from Google Patents.
DE478950C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Screw locking against unauthorized loosening, especially for rail fastening
Assignee: FRIEDRICH WEICHARDT
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Filing: 1926-08-29
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Granted: 1929-07-06
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Expires: 1946-08-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 05:54
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/04; E01B9/12; E01B11/00; E01B11/02; E01B11/36; E01B11/38; E01B29/00; E01B29/24; E01B29/28
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