US2913719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiolocation method and apparatus
Assignee: Individual
•
Filing: 1954-04-09
•
Granted: 1959-11-17
•
Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Hasbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:53
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB600117A
Cited
US2408773A
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GB577824A
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US2419525A
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US2436376A
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US2578980A
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US2647257A
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US2728909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |