US2888674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual lens antenna for tracking and searching
Assignee: Unisys Corp
•
Filing: 1951-03-20
•
Granted: 1959-05-26
•
Expires: 1971-03-20
Abstract
No abstract record available.
Inventors
- 👤 Charles A Moreno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q15/00; H01Q15/02; H01Q15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938066A
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US2473613A
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US2514828A
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US2452349A
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US2585855A
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US2764757A
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US2556673A
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US2607009A
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US2599763A
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US2677056A
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US2678393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |