US3271776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intercoupling lines for impedance matching of array antennas
Assignee: Hazeltine Research Inc
•
Filing: 1962-12-28
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Granted: 1966-09-06
•
Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Peter W Hannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN ARRAY ANTENNA HAVING CLOSER IMPEDANCE MATCHING, COMPRISING: A PLURALITY OF RADIATING ELEMENTS; BRANCH TRANSMISSION LINES CONNECTING TO SAID RADIATING ELEMENTS; MEANS FOR EXCITING SAID ELEMENTS THROUGH SAID LINES IN A PLURALITY OF CONDITIONS; AND MEANS, SUBSTANTIALLY INDEPENDENT OF THE FUNCTION OF SAID EXCITING MEANS FOR INTERCOUPLING SAID BRANCH
Claim 2
Dependent Claim
49 words
AN ARRAY ANTENNA HAVING CLOSER IMPEDANCE MATCHING, COMPRISING: A PLURALITY OF RADIATING ELEMENTS; BRANCH TRANSMISSION LINES CONNECTING TO SAID RADIATING ELEMENTS; MEANS FOR EXCITING SAID ELEMENTS THROUGH SAID LINES IN A PLURALITY OF CONDITIONS; AND MEANS, SUBSTANTIALLY INDEPENDENT OF THE FUNCTION OF SAID EXCITING MEANS FOR INTERCOUPLING SAID BRANCH
References Cited (Backward Citations)
US2227563A
Cited
US2727233A
Cited
US2624002A
Cited
US2925595A
Cited
FR1188206A
Cited
US3071769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |