US3307188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steerable antenna array and method of operating the same
Assignee: Avco Manufacturing Corp
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Filing: 1957-09-16
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Granted: 1967-02-28
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Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 John W Marchetti
- 👤 William P Goldberg
- 👤 Ruze John
- 👤 Chaloner B Slade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/34; H01Q3/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
IN COMBINATION WITH AN ANTENNA ARRAY COMPRISING A PLURALITY OF INDIVIDUAL RADIATORS, MEANS FOR GENERATING A RELATIVELY CONSTANT FREQUENCY SIGNAL, HETERODYNING MEANS FOR PHASE SHIFTING SAID SIGNAL TO PRODUCE A PLURALITY OF PHASE SHIFTED SIGNALS AT CONSTANT FREQUENCY, AND MEANS
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |