US2824284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave-registering of projectile position and velocity in guns
Assignee: Individual
•
Filing: 1947-10-03
•
Granted: 1958-02-18
•
Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01P; G01P3/00; G01P3/64; G01P3/66; G01P3/665; G01S13/02; G01S13/50; G01S13/58; G01S13/583
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2193361A
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US2268587A
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US2382981A
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US2557949A
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US2434349A
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US2514297A
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US2391554A
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US2400189A
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US2691761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |