Patent US4233710A successfully refreshed from Google Patents.
Patent DE400760C successfully refreshed from Google Patents.
DE400760C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Cross beater mill combined with air separator for fuel-containing bulk material
Assignee: ELEK ZITAETS AKT GES VORM SCHU
•
Filing: 1924-02-03
•
Granted: 1924-08-21
•
Expires: 1944-02-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14
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.