Patent US3349313A successfully refreshed from Google Patents.
US3349313A
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US
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Power supply circuit
Assignee: Lanteris Space LLC
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Filing: 1964-05-04
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Granted: 1967-10-24
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul C Wilmarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:53
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/066; H01; H01C; H01C7/00; H01C7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A POWER SUPPLY CIRCUIT FOR TELEVISION RECEIVERS AND THE LIKE, COMPRISING THE SERIES COMBINATION OF A THERMISTOR AND A RECTIFIER CONNECTED IN SAID CIRCUIT, AND A FILTER INCLUDING SHUNT CAPACITANCE MEANS CONNECTED ACROSS SAID CIRCUIT AT THE OUTPUT SIDE OF SAID SERIES COMBINATION, WHEREIN SAID THERMISTOR HAS A COOLING TIME CONSTANT APPROXIMATELY EQUAL TO AND NOT GREATER THAN THE DISCHARGE TIME CONSTANT OF SAID CAPACITANCE MEANS.
Claim 2
Dependent Claim
66 words
A POWER SUPPLY CIRCUIT FOR TELEVISION RECEIVERS AND THE LIKE, COMPRISING THE SERIES COMBINATION OF A THERMISTOR AND A RECTIFIER CONNECTED IN SAID CIRCUIT, AND A FILTER INCLUDING SHUNT CAPACITANCE MEANS CONNECTED ACROSS SAID CIRCUIT AT THE OUTPUT SIDE OF SAID SERIES COMBINATION, WHEREIN SAID THERMISTOR HAS A COOLING TIME CONSTANT APPROXIMATELY EQUAL TO AND NOT GREATER THAN THE DISCHARGE TIME CONSTANT OF SAID CAPACITANCE MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |