Patent US2212261A successfully refreshed from Google Patents.
FR48019E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
6-wheel epicyclic shifting
Assignee: Ravigneaux Pol
•
Filing: 1936-06-03
•
Granted: 1937-10-16
•
Expires: 1956-06-03
Abstract
No abstract record available.
Inventors
- 👤 Ravigneaux Pol
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 11:06
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663
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.