DE537382C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Procedure to eliminate annoying broadening of characters in shortwave telegraphy
Assignee: Telefunken AG
•
Filing: 1929-07-06
•
Granted: 1933-06-30
•
Expires: 1949-07-06
Abstract
No abstract record available.
Inventors
- 👤 Dr Fritz Schroeter
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 22:39
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00103; H04L; H04L1/00; H04L1/02; H04L1/04; H04L27/00; H04L27/10; H04L27/16
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.