Patent US3412397A successfully refreshed from Google Patents.
US3412397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Video correlator and automatic detector for pencil beam radar
Assignee: Raytheon Co
•
Filing: 1967-02-01
•
Granted: 1968-11-19
•
Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Norol T Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/72; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; G01S7/285; G01S7/292; G01S7/2923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3312969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |