DE354818C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mud valve
Assignee: Schmidt & Wagner
•
Filing: 1920-09-25
•
Granted: 1922-06-16
•
Expires: 1940-09-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 05:45
CPC Classifications
F; F16; F16K; F16K25/00; F16K25/02; F16K1/00; F16K1/32; F16K1/34; F16K1/44; F16K1/443; F16K1/446
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.