US2821622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Band switching television turret tuner for very high and ultrahigh frequency bands
Assignee: Standard Coil Products Co Inc
•
Filing: 1953-11-18
•
Granted: 1958-01-28
•
Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Thias Edwin Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:51
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/004; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1695479A
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US1785736A
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DE508574C
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US2108608A
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US2443935A
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US2596117A
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US2566746A
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US2692919A
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US2665377A
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US2750496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |