FR767313A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for the gradual and automatic variation of the ratio between the speed of rotation of a driving shaft and that of a driven shaft
Assignee: Aristide Riccardi
•
Filing: 1934-01-19
•
Granted: 1934-07-16
•
Expires: 1954-01-19
Abstract
No abstract record available.
Inventors
- 👤 Aristide Riccardi
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 10:34
CPC Classifications
F; F16; F16H; F16H33/00; F16H33/02; F16H33/04; F16H33/08; F16H33/14; F16H33/18; F16H33/185
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.