FR855904A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to release devices for servo-motor installations
Assignee: Robert Alkan
•
Filing: 1939-02-10
•
Granted: 1940-05-23
•
Expires: 1959-02-10
Abstract
No abstract record available.
Inventors
- 👤 Robert Alkan
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 20:43
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/165; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/208
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.