US2495690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Echo-triggered radar system
Assignee: Lanteris Space LLC
•
Filing: 1945-01-27
•
Granted: 1950-01-31
•
Expires: 1965-01-27
Abstract
No abstract record available.
Inventors
- 👤 William E Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:53
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1945952A
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US2050059A
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GB469417A
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GB474690A
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US2134716A
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US2211942A
Cited
US2333688A
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US2262838A
Cited
US2404527A
Cited
US2354930A
Cited
US2400309A
Cited
US2421016A
Cited
US2421018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |