US2493774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio object locating system
Assignee: Individual
•
Filing: 1943-05-11
•
Granted: 1950-01-10
•
Expires: 1963-05-11
Abstract
No abstract record available.
Inventors
- 👤 James R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:45
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2063534A
Cited
US2257757A
Cited
US2308521A
Cited
US2409448A
Cited
US2409462A
Cited
US2412612A
Cited
US2427029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |