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Patent US3270346A successfully refreshed from Google Patents.
US3270346A
Expired / Lapsed
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Polarization-selective connecting circuits for impedance matching of array antennas
Assignee: Hazeltine Research Inc
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Filing: 1963-10-25
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Granted: 1966-08-30
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 David S Lerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:18
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN ARRAY HAVING CLOSER IMPEDANCE MATCHING COMPRISING: A PLURALITY OF RADIATING ELEMENTS; A PLURALITY OF BRANCH TRANSMISSION LINES CONNECTING TO SAID RADIATING ELEMENTS; MEANS FOR EXCITING SAID ELEMENTS THROUGH SAID LINES IN A PLURALITY OF CONDITIONS; AND POLARIZATION SELECTIVE MEANS FOR PROVIDING INTERCOUPLING PATHS BETWEEN SAID BRANCH TRANSMISSION
Claim 2
Dependent Claim
48 words
AN ARRAY HAVING CLOSER IMPEDANCE MATCHING COMPRISING: A PLURALITY OF RADIATING ELEMENTS; A PLURALITY OF BRANCH TRANSMISSION LINES CONNECTING TO SAID RADIATING ELEMENTS; MEANS FOR EXCITING SAID ELEMENTS THROUGH SAID LINES IN A PLURALITY OF CONDITIONS; AND POLARIZATION SELECTIVE MEANS FOR PROVIDING INTERCOUPLING PATHS BETWEEN SAID BRANCH TRANSMISSION
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |