Patent FR437568A successfully refreshed from Google Patents.
FR437568A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to hydraulic gear changes and their applications to gear changes with driving and receiving pumps with or without radiant cylinders
Assignee: Individual
•
Filing: 1911-11-15
•
Granted: 1912-04-24
•
Expires: 1931-11-15
Abstract
No abstract record available.
Inventors
- 👤 Jacques Parent
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08
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.