Patent US3555393A successfully refreshed from Google Patents.
US3555393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote tuning system for plurality of controlled units employing common tuning control and indicator
Assignee: Collins Radio Co
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Filing: 1969-04-09
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Granted: 1971-01-12
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Expires: 1989-04-09
Abstract
Abstract A SINGLE CONTROL UNIT, COMMON INDICATOR, AND FUNCTION SELECTOR SWITCH IS EMPLOYED TO EFFECT THE SELECTIVE TUNING OF A NUMBER OF DIFFERENT MULTI-CHANNEL OR MULTI-FUNCTION RADIO EQUIPMENTS. THE SELECTOR SWITCH INDICATES WHICH OF THE SEVERAL EQUIPMENTS IS BEING TUNED AND MONITORED. THE TUNING CONTROL UNIT COMMON TO ALL THE ELECTRONIC SERVICES EFFECTS TUNING OF THE SELECTED SERVICE BY ENABLING LOGIC CIRCUITRY TO EFFECT AN OPERABLE ARRANGEMENT BETWEEN THE TUNING CONTROL UNIT, THE COMMON INDICATOR, AND THE SELECTED EQUIPMENT TO BE TUNED.
Inventors
- 👤 Winston F Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:37
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; H; H03; H03J; H03J1/00; H03J1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |