Patent US2664507A successfully refreshed from Google Patents.
US2664507A
Expired / Lapsed
US
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Simplified electrically steerable antenna
Assignee: RCA Corp
•
Filing: 1950-02-01
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Granted: 1953-12-29
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Expires: 1970-02-01
Abstract
No abstract record available.
Inventors
- 👤 Mural Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:23
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/28; H01Q21/00; H01Q21/24; H01Q21/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290881A
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US469248A
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US1796295A
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US1739941A
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US1860052A
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US2147168A
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US2151917A
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US2320124A
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US2430664A
Cited
US2454907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |