US3483558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar receiver employing a synthetic coherent reference
Assignee: Boeing North American Inc
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Filing: 1964-08-13
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Granted: 1969-12-09
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Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Carl A Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
IN A RADAR SYSTEM, MEANS FOR PROVIDING A PHASE REFERENCE COMPRISING A DELAY LINE HAVING DISCRETE REFLECTING SURFACES AND RESPONSIVELY COUPLED FOR SAMPLING AND STRETCHING A PRESELECTED ONE OF A TRANSMITTED SIGNAL AND AN
Claim 2
Dependent Claim
34 words
IN A RADAR SYSTEM, MEANS FOR PROVIDING A PHASE REFERENCE COMPRISING A DELAY LINE HAVING DISCRETE REFLECTING SURFACES AND RESPONSIVELY COUPLED FOR SAMPLING AND STRETCHING A PRESELECTED ONE OF A TRANSMITTED SIGNAL AND AN
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |