US2519397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio location device
Assignee: Individual
•
Filing: 1943-10-16
•
Granted: 1950-08-22
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Richard H Ranger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143035A
Cited
US2412631A
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US2231929A
Cited
US2251984A
Cited
US2189549A
Cited
US2301826A
Cited
US2409448A
Cited
US2405231A
Cited
US2430292A
Cited
US2408848A
Cited
US2419567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |