US2991473A
Expired / Lapsed
US
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Scanning antenna system for horizontally and vertically polarized waves
Assignee: Thales Nederland BV
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Filing: 1956-10-02
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Granted: 1961-07-04
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Expires: 1976-10-02
Abstract
No abstract record available.
Inventors
- 👤 Cornelis Augustinus Va Staaden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:45
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/002; G; G01; G01S; G01S1/00; G01S1/02; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/22; H01Q19/00; H01Q19/10; H01Q19/18; H01Q19/19; H01Q19/195; H03K3/00; H03K3/02; H03K3/26; H03K3/35; H10; H10D; H10D84/00; H10D84/60; H10D84/676; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |