US2964729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity-determining system
Assignee: Raytheon Co
•
Filing: 1954-09-27
•
Granted: 1960-12-13
•
Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 John N Beebe
- 👤 Robert E Kirkland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:12
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/02; G01S15/50; G01S15/58; G01S15/60; Y; Y10; Y10S; Y10S367/00; Y10S367/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1864638A
Cited
US2078769A
Cited
US2235019A
Cited
US2621243A
Cited
US2537593A
Cited
US2536255A
Cited
US2841775A
Cited
US2859433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |