DE332855C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Dry bucket chain excavator for the production of trenches with vertical side walls
Assignee: Individual
•
Filing: 1913-11-28
•
Granted: 1921-02-11
•
Expires: 1933-11-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 20:15
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/12; E02F3/14; E02F3/141
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.