Patent US3155976A successfully refreshed from Google Patents.
US3155976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband straight ladder antenna with twin wire balanced feed supplied via integralunbalanced line
Assignee: GTE Sylvania Inc
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Filing: 1959-08-31
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Granted: 1964-11-03
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur F Wickersham
- 👤 Eric N Harlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:34
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/28; H01Q19/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A HIGH FREQUENCY END-FIRE ANTENNA HAVING AN AXIS AND COMPRISING A PLURALITY OF CONDUCTING ELEMENTS ARRANGED IN A COMMON PLANE AND EXTENDING PARALLEL TO EACH OTHER, SAID ELEMENTS BEING AXIALLY SPACED FROM EACH OTHER, AND MEANS FOR FEEDING ELECTROMAGNETIC WAVE ENERGY TO SAID CONDUCTING ELEMENTS COMPRISING A COAXIAL CABLE AND A CONDUCING MEMBER, BOTH EXTENDING AIXALLY AND BEING ELECTROMAGNETICALLY COUPLED TO SAID ELEMENTS FOR THE FULL LENGTH OF THE ANTENNA, SAID CABLE HAVING AN OUTER CONDUCTOR AND AN INNER CONDUCTOR, SAID INNER CONDUCTOR BEING DIRECTLY ELECTRICALLY CONNECTED TO SAID CONDUCING MEMBER AT ONE END OF THE ANTENNA, AND ENERGY INPUT MEANS COUPLED TO SAID COAXIAL LINE AT THEOPPOSITE END OF THE ANTENNA FOR TRANSMITTING ENERGY TO SAID ELEMENTS.
Claim 2
Dependent Claim
118 words
A HIGH FREQUENCY END-FIRE ANTENNA HAVING AN AXIS AND COMPRISING A PLURALITY OF CONDUCTING ELEMENTS ARRANGED IN A COMMON PLANE AND EXTENDING PARALLEL TO EACH OTHER, SAID ELEMENTS BEING AXIALLY SPACED FROM EACH OTHER, AND MEANS FOR FEEDING ELECTROMAGNETIC WAVE ENERGY TO SAID CONDUCTING ELEMENTS COMPRISING A COAXIAL CABLE AND A CONDUCING MEMBER, BOTH EXTENDING AIXALLY AND BEING ELECTROMAGNETICALLY COUPLED TO SAID ELEMENTS FOR THE FULL LENGTH OF THE ANTENNA, SAID CABLE HAVING AN OUTER CONDUCTOR AND AN INNER CONDUCTOR, SAID INNER CONDUCTOR BEING DIRECTLY ELECTRICALLY CONNECTED TO SAID CONDUCING MEMBER AT ONE END OF THE ANTENNA, AND ENERGY INPUT MEANS COUPLED TO SAID COAXIAL LINE AT THEOPPOSITE END OF THE ANTENNA FOR TRANSMITTING ENERGY TO SAID ELEMENTS.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |