FR541886A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Hydraulic turbine valve
Assignee: TURBINES NEGRI
•
Filing: 1921-10-03
•
Granted: 1922-08-02
•
Expires: 1941-10-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 13:42
CPC Classifications
F; F03; F03B; F03B13/00; F05; F05B; F05B2220/00; F05B2220/20; F05B2220/60; F05B2220/602; Y; Y02; Y02B; Y02B10/00; Y02B10/50
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.