US3026515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency modulated radar
Assignee: Individual
•
Filing: 1956-09-21
•
Granted: 1962-03-20
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Rey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:50
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2430038A
Cited
US2424796A
Cited
US2502454A
Cited
US2641754A
Cited
US2540406A
Cited
US2769158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |