Patent DE437873C successfully refreshed from Google Patents.
DE437873C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Reinforced concrete tunnel lining
Assignee: SCHLESISCHE BERGBAU GmbH
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Filing: —
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Granted: 1926-11-29
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Expires: 1943-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 13:57
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/04; E21D11/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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