Patent US3214761A successfully refreshed from Google Patents.
US3214761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary antennas coupled to main horn for equalization of patterns due to perpendicular components of circularly polarized waves
Assignee: Telefunken Patentverwertungs GmbH
•
Filing: 1961-06-27
•
Granted: 1965-10-26
•
Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Schlaud Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/29; H01Q13/00; H01Q13/02; H01Q13/0241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A HORN ASSEMBLY FOR GENERATING A DIRECTIONAL RADIATION PATTERN INDEPENDENT OF THE POLARIZATION OF THE WAVES OF ENERGY FED TO IT, COMPRISING A MAIN HORN HAVING A SINGLE FEEDING LINE AND EXPANDING AWAY FROM SAID LINE;"
Claim 2
Dependent Claim
36 words
A HORN ASSEMBLY FOR GENERATING A DIRECTIONAL RADIATION PATTERN INDEPENDENT OF THE POLARIZATION OF THE WAVES OF ENERGY FED TO IT, COMPRISING A MAIN HORN HAVING A SINGLE FEEDING LINE AND EXPANDING AWAY FROM SAID LINE;"
References Cited (Backward Citations)
CH238928A
Cited
US2415807A
Cited
US2551586A
Cited
US2751586A
Cited
US2834960A
Cited
US2908002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |