US2512703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar direction and range indicating apparatus
Assignee: Unisys Corp
•
Filing: 1943-10-14
•
Granted: 1950-06-27
•
Expires: 1963-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jefferson R Wilkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB520778A
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US2208422A
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GB542634A
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US2295412A
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US2403625A
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US2405239A
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US2313966A
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GB552072A
Cited
US2416088A
Cited
US2395966A
Cited
US2408848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |