US2678393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar scanning system
Assignee: Raytheon Co
•
Filing: 1950-09-30
•
Granted: 1954-05-11
•
Expires: 1970-09-30
Abstract
No abstract record available.
Inventors
- 👤 Henry J Riblet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:42
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032588A
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US1931980A
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US2531454A
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US2409183A
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US2452349A
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US2434253A
Cited
US2524292A
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US2541324A
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US2603749A
Cited
US2514617A
Cited
US2530580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |