US3220006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground plane vhf antenna comprising blade - type dipole configuration obtained by reflecting monopole in ground plane
Assignee: Individual
•
Filing: 1961-06-05
•
Granted: 1965-11-23
•
Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 Harvey P Bazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:06
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H01Q1/282; H01Q1/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ANTENNA COMPRISING AN UPWARDLY EXTENDING BLADE-LIKE MEMBER HAVING A FLANGED BASE PORTION, A LEADING EDGE, AND A TRAILING EDGE, AND HAVING A LENGTH SEVERAL TIMES THE WIDTH, SAID LEADING AND TRAILING EDGES BEING TILTED BACKWARDLY AT AN ANGLE WITH RESPECT TO SAID BASE PORTION, SAID LEADING EDGE BEING AN UNINTERRUPTED CONDUCTOR THROUGHOUT ITS LENGTH; AN ELONGATED SLOT PASSING ENTIRELY THROUGH THE WIDTH OF SAID MEMBER AND EXTENDING DIAGONALLY FROM ADJACENT THE LEADING EDGE AND SAID BASE PORTION UPWARDLY THROUGH THE TRAILING EDGE, SAID SLOT CONTAINING A DIELECTRIC MATERIAL; AND A TWO-CONDUCTOR TRANSMISSION LINE, ONE OF THE CONDUCTORS OF SAID LINE BEING CONNECTED TO ONE SIDE OF SAID SLOT AND THE OTHER CONDUCTOR OF SAID LINE BEING CONNECTED TO A SIDE OF SAID SLOT OPPOSITE SAID ONE SIDE.
Claim 2
Dependent Claim
128 words
AN ANTENNA COMPRISING AN UPWARDLY EXTENDING BLADE-LIKE MEMBER HAVING A FLANGED BASE PORTION, A LEADING EDGE, AND A TRAILING EDGE, AND HAVING A LENGTH SEVERAL TIMES THE WIDTH, SAID LEADING AND TRAILING EDGES BEING TILTED BACKWARDLY AT AN ANGLE WITH RESPECT TO SAID BASE PORTION, SAID LEADING EDGE BEING AN UNINTERRUPTED CONDUCTOR THROUGHOUT ITS LENGTH; AN ELONGATED SLOT PASSING ENTIRELY THROUGH THE WIDTH OF SAID MEMBER AND EXTENDING DIAGONALLY FROM ADJACENT THE LEADING EDGE AND SAID BASE PORTION UPWARDLY THROUGH THE TRAILING EDGE, SAID SLOT CONTAINING A DIELECTRIC MATERIAL; AND A TWO-CONDUCTOR TRANSMISSION LINE, ONE OF THE CONDUCTORS OF SAID LINE BEING CONNECTED TO ONE SIDE OF SAID SLOT AND THE OTHER CONDUCTOR OF SAID LINE BEING CONNECTED TO A SIDE OF SAID SLOT OPPOSITE SAID ONE SIDE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |