US2944346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-coordinate radar simulator
Assignee: Individual
•
Filing: 1955-06-06
•
Granted: 1960-07-12
•
Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Coburn Richard
- 👤 James M Hedlun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:09
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4052; G01S7/4082; G06; G06G; G06G7/00; G06G7/48; G06G7/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2102139A
Cited
US2168049A
Cited
US2652636A
Cited
US2737730A
Cited
US2740205A
Cited
US2720039A
Cited
US2811789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |