Patent FR863453A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR863453A Expired / Lapsed FR ⏱️ 0.0 years remaining

Cathode ray tube

Assignee: RCA Corp
•
Filing: 1940-02-16
•
Granted: 1941-04-02
•
Expires: 1960-02-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 07:56
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/17; G02F1/172; H; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7425

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