Patent US2774964A successfully refreshed from Google Patents.
US2774964A
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US
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Automatic radar target tracking system
Assignee: RCA Corp
•
Filing: 1951-04-28
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Granted: 1956-12-18
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Expires: 1971-04-28
Abstract
No abstract record available.
Inventors
- 👤 Richard E Baker
- 👤 Frank D Covely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7864; G01S13/00; G01S13/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2455265A
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US2500633A
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US2415981A
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US2508384A
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US2572986A
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US2528202A
Cited
US2524295A
Cited
US2502317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |