FR710275A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for grinding materials in tube mills
Assignee: Richard Muhlhauser
•
Filing: 1931-01-23
•
Granted: 1931-08-20
•
Expires: 1951-01-23
Abstract
No abstract record available.
Inventors
- 👤 Richard Muhlhauser
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 22:18
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/02
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.