Patent DE957540C successfully refreshed from Google Patents.
DE957540C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Roller, especially for friction roller mills
Assignee: Draiswerke GmbH
•
Filing: 1953-09-13
•
Granted: 1957-02-07
•
Expires: 1973-09-13
Abstract
No abstract record available.
Inventors
- 👤 Kaspar Engels
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 13:40
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.