Patent DE597063C successfully refreshed from Google Patents.
DE597063C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Driving shield for tunnel construction
Assignee: GOTTFRIED HALLINGER PATENTVERW
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Filing: 1931-03-03
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Granted: 1934-05-25
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Expires: 1951-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 16:59
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/06; E21D9/0621
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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