Patent US3171084A successfully refreshed from Google Patents.
US3171084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver power supply
Assignee: Westinghouse Electric Corp
•
Filing: 1961-09-26
•
Granted: 1965-02-23
•
Expires: 1981-09-26
Abstract
No abstract record available.
Inventors
- 👤 Sziklai George Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:29
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03F1/544; H04; H04N; H04N5/00; H04N5/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A POWER SUPPLY FOR AN ELECTRONIC TUBE SYSTEM HAVING A PLURALITY OF TUBES WITH HEATERS, CATHODES, AND ANODES, SAID HEATERS BEING CONNECTED TO FORM A HEATER CIRCUIT; A PAIR OF POWER LINE TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING CURRENT, A RECTIFIER, AND AN ON-OFF SWITCH CONNECTED TO SAID HEATER CIRCUIT FOR COMPLETING A BIDIRECTIONAL CURRENT PATH INCLUDING SAID TERMINALS AND SAID HEATER CIRCUIT WHEN IN THE ON POSITION AND FOR INSERTING SAID RECTIFIER IN SERIES WITH SAID HEATER CIRCUIT TO COMPLETE A UNIDIRECTIONAL CURRENT PATH THERETHROUGH WHEN IN THE OFF POSITION.
Claim 2
Dependent Claim
95 words
A POWER SUPPLY FOR AN ELECTRONIC TUBE SYSTEM HAVING A PLURALITY OF TUBES WITH HEATERS, CATHODES, AND ANODES, SAID HEATERS BEING CONNECTED TO FORM A HEATER CIRCUIT; A PAIR OF POWER LINE TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING CURRENT, A RECTIFIER, AND AN ON-OFF SWITCH CONNECTED TO SAID HEATER CIRCUIT FOR COMPLETING A BIDIRECTIONAL CURRENT PATH INCLUDING SAID TERMINALS AND SAID HEATER CIRCUIT WHEN IN THE ON POSITION AND FOR INSERTING SAID RECTIFIER IN SERIES WITH SAID HEATER CIRCUIT TO COMPLETE A UNIDIRECTIONAL CURRENT PATH THERETHROUGH WHEN IN THE OFF POSITION.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |