Patent DE340032C successfully refreshed from Google Patents.
DE340032C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the construction of reinforced concrete tunnels using ridge tunnels
Assignee: Individual
•
Filing: 1916-09-03
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Granted: 1921-09-02
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Expires: 1936-09-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/04; E21D11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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