Patent DE633475C successfully refreshed from Google Patents.
DE633475C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ring or arched track extension from profile iron segments
Assignee: Individual
•
Filing: 1935-03-23
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Granted: 1936-07-28
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Expires: 1955-03-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 14:43
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/15; E21D11/155; E21D11/18; E21D11/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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