CH91670A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Centrifugal pump for impure liquids.
Assignee: Walter Kuebler
•
Filing: 1920-11-10
•
Granted: —
•
Expires: 1940-11-10
Abstract
No abstract record available.
Inventors
- 👤 Walter Kuebler
- 👤 Walter Burkhardt
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/04
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.