US2667635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving target indicator radar system
Assignee: Raytheon Co
•
Filing: 1947-09-20
•
Granted: 1954-01-26
•
Expires: 1967-09-20
Abstract
No abstract record available.
Inventors
- 👤 Rudolf C Hergenrother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:57
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2422135A
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US2600255A
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US2532339A
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US2451005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |