Patent DE569718C successfully refreshed from Google Patents.
DE569718C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for mining coal in steep floezen
Assignee: Vodafone GmbH
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Filing: 1931-11-13
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Granted: 1933-02-07
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Expires: 1951-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 06:25
CPC Classifications
E; E21; E21F; E21F13/00; E21F13/06
Claims Analysis
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References Cited (Backward Citations)
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