US2556046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional antenna system
Assignee: Lanteris Space LLC
•
Filing: 1946-03-28
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Granted: 1951-06-05
•
Expires: 1966-03-28
Abstract
No abstract record available.
Inventors
- 👤 Oscar T Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/06; H01Q19/08; H01Q13/00; H01Q13/02; H01Q13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2486589A
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US2478241A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |