DE503581C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Centrifugal pump without stuffing box for the promotion of acids u. Like., whose impeller is provided on the back with so-called back blades
Assignee: WILHELM BECK DIPL ING
•
Filing: 1928-08-21
•
Granted: 1930-07-24
•
Expires: 1948-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 16:09
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/06; F04D29/00; F04D29/08; F04D29/10; F04D29/14; F04D29/146
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.