DE334318C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ring mill with grinding rollers inserted into the rotating grinding ring on one side
Assignee: BARTHELMESS E
•
Filing: 1918-01-06
•
Granted: 1921-03-12
•
Expires: 1938-01-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 17:14
CPC Classifications
B; B02; B02C; B02C15/00; B02C15/04; B02C15/045; B02C15/16
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.