Patent FR1459290A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1459290A Expired / Lapsed FR ⏱️ 0.0 years remaining

Equipotential Surface Cathode Improvements for Electronic Devices

Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1965-10-08
•
Granted: 1966-04-29
•
Expires: 1985-10-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Michel Arnaud

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-04 20:23
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/15; H01J1/16

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag