Patent US4745407A successfully refreshed from Google Patents.
Patent FR837540A successfully refreshed from Google Patents.
FR837540A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to pumps or motors forming a swash plate type mechanism
Assignee: VARIABLE SPEED GEAR Ltd
•
Filing: 1938-05-04
•
Granted: 1939-02-13
•
Expires: 1958-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 21:07
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0002; F01B3/0008; F01B3/0017; F01B3/0023; F01B3/0026; F01B3/0082; F01B3/0085; F01B3/10; F01B3/101; F01B3/102
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.