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DE748880C Expired / Lapsed DE ⏱️ 0.0 years remaining

Bucket wheel excavators for the extraction of coal or other minerals

Assignee: Richard Thomas
•
Filing: 1941-01-28
•
Granted: 1944-11-10
•
Expires: 1961-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Richard Thomas

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 04:51
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/30; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/188; E02F3/22; E02F3/24; E02F3/248

Claims Analysis

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References Cited (Backward Citations)

DE301078C Cited
DE533844C Cited
US801702A Cited
US992346A Cited
US1210412A Cited

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