DE701459C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Water ring pump
Assignee: Siemens Schuckertwerke AG
•
Filing: 1937-04-03
•
Granted: 1941-01-16
•
Expires: 1957-04-03
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Fritz Wirth
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 04:58
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/188; F04D5/00; F04D5/002
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.