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US3036210A
Expired / Lapsed
US
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Electronically scanning antenna empolying plural phase-locked loops to produce optimum directivity
Assignee: Space-General Corp
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Filing: 1959-11-02
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Granted: 1962-05-22
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Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lehan
- 👤 William R Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/34; H01Q3/42; G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42
Claims Analysis
Total Claims: 0
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |