FR728982A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in relays
Assignee: FR ARNOUX SOC
•
Filing: 1931-03-05
•
Granted: 1932-07-16
•
Expires: 1951-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2236; H01H51/2245; H01H51/2254
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.