US2517549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse radar system for detecting moving objects
Assignee: International Standard Electric Corp
•
Filing: 1942-09-09
•
Granted: 1950-08-08
•
Expires: 1962-09-09
Abstract
No abstract record available.
Inventors
- 👤 Earp Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924174A
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US2055883A
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US2227598A
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US2225524A
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US2253589A
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US2423023A
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US2423644A
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US2268643A
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US2406316A
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US2403625A
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US2408742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |