Patent US2882392A successfully refreshed from Google Patents.
US2882392A
Expired / Lapsed
US
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Receiver tuned by inductors with tracking by initial positionment of coils on cores
Assignee: RCA Corp
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Filing: 1955-03-09
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Granted: 1959-04-14
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Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 William F Sands
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:25
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/08; H03; H03J; H03J3/00; H03J3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2159754A
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FR840140A
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US2190048A
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US2248242A
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US2486152A
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US2370714A
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US2389986A
Cited
US2503155A
Cited
US2581202A
Cited
US2641704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |