FR700265A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic locking device to ensure safety in high voltage electrical installations
Assignee: CIE PARISIENNE DE DISTRIB D EL
•
Filing: 1930-04-04
•
Granted: 1931-02-26
•
Expires: 1950-04-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/46; H01H33/52
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.