Patent DE615973C successfully refreshed from Google Patents.
DE615973C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Open-cast mine for the extraction and extraction of overburden and coal
Assignee: Luebecker Maschinenbau GmbH
•
Filing: 1932-10-07
•
Granted: 1935-07-17
•
Expires: 1952-10-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 21:55
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.