US3293455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus employing fourlayer diode and thermistor
Assignee: Motors Liquidation Co
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Filing: 1963-04-29
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Granted: 1966-12-20
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Charles C Gambill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/30; G05D23/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN COMBINATION, AN ELECTRICAL LOAD, ALTERNATING CURRENT SUPPLY CONDUCTORS CONNECTED TO SAID ELECTRICAL LOAD,A MULITPLE LAYER SEMICONDUCTOR DIODE CONNECTED IN SERIES WITH SAID ELECTRICAL LOAD, SAID DIODE HAVING THE CHARACTERISTIC THAT ITS RESISTANCE TO CURRENT FLOW BREAKS DOWN WHEN A PREDETERMINED VOLTAGE IS APPLIED ACROSS IT, MEANS FOR APPLYING ACROSS SAID DIODE EVERY CYCLE A VOLTAGE PEAK SUBSTANTIALLY AT THE TIME IN THE ALTERNATING CURRENT SINE WAVE TO SAID DIODE WHEN THE SUPPLY VOLTAGE PASSES THROUGH ZERO, AND A THREE TERMINAL SEMICONDUCTOR AMPLIFIER ASSOCIATED WITH SAID APPLYING MEANS FOR AMPLIFYING SAID VOLTAGE PEAK ABOVE SAID PREDETERMINED VOLTAGE TO CAUSE SAID DIODE TO CONDUCT CURRENT DURING SUBSTANTIALLY ALL OF A PLURALITY OF CONSECUTIVE SUBSTANTIALLY IDENTICAL HALF CYCLES OF ALTERNATING CURRENT.
Claim 2
Dependent Claim
119 words
IN COMBINATION, AN ELECTRICAL LOAD, ALTERNATING CURRENT SUPPLY CONDUCTORS CONNECTED TO SAID ELECTRICAL LOAD,A MULITPLE LAYER SEMICONDUCTOR DIODE CONNECTED IN SERIES WITH SAID ELECTRICAL LOAD, SAID DIODE HAVING THE CHARACTERISTIC THAT ITS RESISTANCE TO CURRENT FLOW BREAKS DOWN WHEN A PREDETERMINED VOLTAGE IS APPLIED ACROSS IT, MEANS FOR APPLYING ACROSS SAID DIODE EVERY CYCLE A VOLTAGE PEAK SUBSTANTIALLY AT THE TIME IN THE ALTERNATING CURRENT SINE WAVE TO SAID DIODE WHEN THE SUPPLY VOLTAGE PASSES THROUGH ZERO, AND A THREE TERMINAL SEMICONDUCTOR AMPLIFIER ASSOCIATED WITH SAID APPLYING MEANS FOR AMPLIFYING SAID VOLTAGE PEAK ABOVE SAID PREDETERMINED VOLTAGE TO CAUSE SAID DIODE TO CONDUCT CURRENT DURING SUBSTANTIALLY ALL OF A PLURALITY OF CONSECUTIVE SUBSTANTIALLY IDENTICAL HALF CYCLES OF ALTERNATING CURRENT.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |