Patent US3025510A successfully refreshed from Google Patents.
Patent DE808796C successfully refreshed from Google Patents.
DE808796C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Centrifugal pump, especially for pumping liquid metal and other heavy materials
Assignee: WALTER URBAHN DIPL ING
•
Filing: 1948-12-21
•
Granted: 1951-07-19
•
Expires: 1968-12-21
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Walter Urbahn
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/042; F04D7/00; F04D7/02; F04D7/06; F04D7/065
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.