DE937360C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ultra-short wave antenna with one-sided directional effect, especially for television and radio reception
Assignee: Siemens Corp
•
Filing: 1952-03-07
•
Granted: 1956-01-05
•
Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Martin Dr Arndt
- 👤 Otto Dr Zinke
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 09:30
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/44
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.