US3262121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna feed point crossover
Assignee: Collins Radio Co
•
Filing: 1963-05-06
•
Granted: 1966-07-19
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jesse C Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:54
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/28; H01Q1/00; H01Q1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A HIGH-FREQUENCY FEED POINT CROSSOVER COMPRISING, A BALUN TRANSFORMER HAVING FIRST AND SECOND COAXIAL TERMINALS, EACH TERMINAL HAVING AN INNER AND AN OUTER CONDUCTOR, THE OUTER CONDUCTORS OF EACH TERMINAL BEING AT COMMON REFERENCE GROUND POTENTIAL, BALUN TRANSFORMER MEANS FOR GRADUALLY TRANSFORMING IMPEDANCE BETWEEN SAID FIRST AND SECOND COAXIAL TERMINALS SO THAT THE IMPEDANCE OF THE OUTER CONDUCTOR OF SAID FIRST TERMINAL IS GRADUALLY INCREASED WITH REFERENCE TO GROUND AS THE SECOND OF SAID TERMINALS IN APPROACHED AND THE IMPEDANCE OF THE OUTER CONDUCTOR OF SAID SECOND TERMINAL IS GRADUALLY INCREASED WITH REFERENCE OF GROUND AS THE FIRST OF SAID TERMINALS IS
Claim 2
Dependent Claim
102 words
A HIGH-FREQUENCY FEED POINT CROSSOVER COMPRISING, A BALUN TRANSFORMER HAVING FIRST AND SECOND COAXIAL TERMINALS, EACH TERMINAL HAVING AN INNER AND AN OUTER CONDUCTOR, THE OUTER CONDUCTORS OF EACH TERMINAL BEING AT COMMON REFERENCE GROUND POTENTIAL, BALUN TRANSFORMER MEANS FOR GRADUALLY TRANSFORMING IMPEDANCE BETWEEN SAID FIRST AND SECOND COAXIAL TERMINALS SO THAT THE IMPEDANCE OF THE OUTER CONDUCTOR OF SAID FIRST TERMINAL IS GRADUALLY INCREASED WITH REFERENCE TO GROUND AS THE SECOND OF SAID TERMINALS IN APPROACHED AND THE IMPEDANCE OF THE OUTER CONDUCTOR OF SAID SECOND TERMINAL IS GRADUALLY INCREASED WITH REFERENCE OF GROUND AS THE FIRST OF SAID TERMINALS IS
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |