DE520750C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Potato harvester with superimposed sieve blades and guide walls
Assignee: Individual
•
Filing: 1929-02-03
•
Granted: 1931-03-12
•
Expires: 1949-02-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 17:12
CPC Classifications
A; A01; A01D; A01D19/00; A01D19/12; A01D19/16
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.