Patent FR750556A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR750556A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for tuning reception devices used for high-frequency carrier wave communications, for example, in wireless telephony or telegraphy

Assignee: Fritz Schwarzer
•
Filing: 1933-02-10
•
Granted: 1933-08-12
•
Expires: 1953-02-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fritz Schwarzer

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 10:42
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/12

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