Patent US973485A successfully refreshed from Google Patents.
DE532001C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for thickening cement raw sludge
Assignee: Fried Krupp Grusonwerk AG
•
Filing: 1930-04-10
•
Granted: 1931-08-20
•
Expires: 1950-04-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 22:10
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/2016
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.