FR1264428A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Switch board with differentiation devices
Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1960-08-05
•
Granted: 1961-06-19
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:14
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/24; H01R; H01R13/00; H01R13/64; H01R13/642; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
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.