Patent DE648063C successfully refreshed from Google Patents.
DE648063C
Expired / Lapsed
DE
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Safety driving circuit, especially for railcars
Assignee: Krupp Stahl AG
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Filing: 1935-08-29
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Granted: 1937-07-21
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Expires: 1955-08-29
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Rudolf Hilpert
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 22:28
CPC Classifications
B; B61; B61C; B61C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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