Patent US3193829A successfully refreshed from Google Patents.
US3193829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-performance airfoil antenna
Assignee: Boeing Co
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Filing: 1962-04-09
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Granted: 1965-07-06
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 John P Braun
- 👤 Duncan M Carman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:33
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H01Q1/282; H01Q1/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A HIGH-FREQUENCY ANTENNA COMPRISING A CONDUCTIVE FIN-LIKE ANTENNA STRUCTURE ADAPTED FOR MOUNTING IN TRANSVERSELY PROJECTING POSITION RELATIVE TO A CONDUCTIVE SURFACE, SAID STRUCTURE HAVING LEADING AND TRAILING PROJECTING EDGES AND AN ELONGATED SLOT THEREIN EXTENDING GENERALLY PARALLEL TO SUCH CONDUCTIVE SURFACE, SAID SLOT HAVING ONE END OPENING AT ONE PROJECTING EDGE OF THE FIN-LIKE STRUCTURE AND THE OTHER PROJECTING EDGE OF SAID STRUCTURE BEING OF UNINTERRUPTED CONDUCTIVE MATERIAL, AND MEANS EXTENDING FROM SAID SURFACE TO ENERGIZE THE ANTENNA STRUCTURE COMPRISING A CONDUCTOR ELECTRICALLY INSULATED FROM THE STRUCTURE AND COUPLED THERETO FOR HIGH-FREQUENCY ENERGY TRANSFER AT A LOCATION ADJACENT THE OPEN END OF THE SLOT THROUGH A CAPACITANCE WHICH IS SUBSTANTIALLY RESONANT WITH SAID STRUCTURE AT THE OPERATING FREQUENCY.
Claim 2
Dependent Claim
118 words
A HIGH-FREQUENCY ANTENNA COMPRISING A CONDUCTIVE FIN-LIKE ANTENNA STRUCTURE ADAPTED FOR MOUNTING IN TRANSVERSELY PROJECTING POSITION RELATIVE TO A CONDUCTIVE SURFACE, SAID STRUCTURE HAVING LEADING AND TRAILING PROJECTING EDGES AND AN ELONGATED SLOT THEREIN EXTENDING GENERALLY PARALLEL TO SUCH CONDUCTIVE SURFACE, SAID SLOT HAVING ONE END OPENING AT ONE PROJECTING EDGE OF THE FIN-LIKE STRUCTURE AND THE OTHER PROJECTING EDGE OF SAID STRUCTURE BEING OF UNINTERRUPTED CONDUCTIVE MATERIAL, AND MEANS EXTENDING FROM SAID SURFACE TO ENERGIZE THE ANTENNA STRUCTURE COMPRISING A CONDUCTOR ELECTRICALLY INSULATED FROM THE STRUCTURE AND COUPLED THERETO FOR HIGH-FREQUENCY ENERGY TRANSFER AT A LOCATION ADJACENT THE OPEN END OF THE SLOT THROUGH A CAPACITANCE WHICH IS SUBSTANTIALLY RESONANT WITH SAID STRUCTURE AT THE OPERATING FREQUENCY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |