Patent US3099808A successfully refreshed from Google Patents.
US3099808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channel tuning system for signal receivers in which tuning components assigned to unselected channels form part of adjacent channel traps
Assignee: RCA Corp
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Filing: 1961-01-24
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Granted: 1963-07-30
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Hobley Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:01
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A CHANNEL TUNING SYSTEM FOR SIGNAL RECEIVERS COMPRISING, A PLURALITY OF TUNING CIRCUIT ELEMENTS, MEANS FOR SELECTIVELY CONNECTING EACH OF SAID CIRCUIT ELEMENTS FOR EFFECTING INDIVIDUAL CHANNEL SELECTION IN A PREDETERMINED FREQUENCY RANGE, MEANS FOR CONNECTING AT LEAST ONE OF SAID CIRCUIT ELEMENTS OTHER THAN A SELECTED CIRCUIT ELEMENT FOR ADJACENT CHANNEL REJECTION WITH RESPECT TO A SELECTED CHANNEL.
Claim 2
Dependent Claim
59 words
A CHANNEL TUNING SYSTEM FOR SIGNAL RECEIVERS COMPRISING, A PLURALITY OF TUNING CIRCUIT ELEMENTS, MEANS FOR SELECTIVELY CONNECTING EACH OF SAID CIRCUIT ELEMENTS FOR EFFECTING INDIVIDUAL CHANNEL SELECTION IN A PREDETERMINED FREQUENCY RANGE, MEANS FOR CONNECTING AT LEAST ONE OF SAID CIRCUIT ELEMENTS OTHER THAN A SELECTED CIRCUIT ELEMENT FOR ADJACENT CHANNEL REJECTION WITH RESPECT TO A SELECTED CHANNEL.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |