US3364586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer control
Assignee: Robertshaw US Holding Corp
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Filing: 1966-05-09
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Granted: 1968-01-23
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jay C Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F2103/44; D06F2105/00; D06F2105/28; D06F2105/52; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A CONTROL CIRCUIT INCLUDING CIRCUIT ELEMENTS FOR PERFORMING A CONTROL FUNCTION IN RESPONSE TO VOLTAGE CHANGES AFFECTED BY CHANGES IN CONDITIONS BEING CONTROLLED, CIRCUIT MEANS FOR INCREASING AND REGULATING VOLTAGE OF AN AC SOURCE SUPPLIED TO SAID CONTROL CIRCUIT, SAID CIRCUIT MEANS INCLUDING A CAPACITOR AND A SEMICONDUCTOR ELEMENT HAVING A LOW RESISTANCE TO CURRENT FLOW IN ONE DIRECTION AND A HIGH RESISTANCE TO CURRENT FLOW IN AN OPPOSITE DIRECTION AT VOLTAGES BELOW A PREDETERMINED VOLTAGE AND A LOWER RESISTANCE TO CURRENT FLOW IN SAID OPPOSITE DIRECTION AT VOLTAGES ABOVE SAID PREDETERMINED VOLTAGE, SAID SEMICONDUCTOR ELEMENT ORIENTATED WITH RESPECT TO SAID CAPACITOR TO CHARGE SAID CAPACITOR TO THE PEAK VALUE OF SAID SOURCE POTENTIAL DURING AN ALTERNATION OF SAID SOURCE POTENTIAL, SAID CAPACITOR DISCHARGING ON A SUBSEQUENT ALTERNATION OF SAID CURRENT TO PROVIDE A POTENTIAL IN EXCESS OF SAID SOURCE VOLTAGE, SAID CONDUCTIVE ELEMENT OPERATIVE WHEN SAID POTENTIAL IS GREATER THAN SAID PREDETERMINED VOLTAGE TO CONDUCT IN SAID OPPOSITE DIRECTTION TO LIMIT SAID POTENTIAL TO THE VALUE OF SAID PREDETERMINED VOLTAGE, SAID LIMITED POTENTIAL BEING SUPPLIED TO SAID CIRCUIT ELEMENTS AND SAID CIRCUIT ELEMENTS BEING ISOLATED FROM FLUCTUATIONS IN VOLTAGE PEAKS IN SAID SOURCE VOLTAGE.
Claim 2
Dependent Claim
196 words
IN A CONTROL CIRCUIT INCLUDING CIRCUIT ELEMENTS FOR PERFORMING A CONTROL FUNCTION IN RESPONSE TO VOLTAGE CHANGES AFFECTED BY CHANGES IN CONDITIONS BEING CONTROLLED, CIRCUIT MEANS FOR INCREASING AND REGULATING VOLTAGE OF AN AC SOURCE SUPPLIED TO SAID CONTROL CIRCUIT, SAID CIRCUIT MEANS INCLUDING A CAPACITOR AND A SEMICONDUCTOR ELEMENT HAVING A LOW RESISTANCE TO CURRENT FLOW IN ONE DIRECTION AND A HIGH RESISTANCE TO CURRENT FLOW IN AN OPPOSITE DIRECTION AT VOLTAGES BELOW A PREDETERMINED VOLTAGE AND A LOWER RESISTANCE TO CURRENT FLOW IN SAID OPPOSITE DIRECTION AT VOLTAGES ABOVE SAID PREDETERMINED VOLTAGE, SAID SEMICONDUCTOR ELEMENT ORIENTATED WITH RESPECT TO SAID CAPACITOR TO CHARGE SAID CAPACITOR TO THE PEAK VALUE OF SAID SOURCE POTENTIAL DURING AN ALTERNATION OF SAID SOURCE POTENTIAL, SAID CAPACITOR DISCHARGING ON A SUBSEQUENT ALTERNATION OF SAID CURRENT TO PROVIDE A POTENTIAL IN EXCESS OF SAID SOURCE VOLTAGE, SAID CONDUCTIVE ELEMENT OPERATIVE WHEN SAID POTENTIAL IS GREATER THAN SAID PREDETERMINED VOLTAGE TO CONDUCT IN SAID OPPOSITE DIRECTTION TO LIMIT SAID POTENTIAL TO THE VALUE OF SAID PREDETERMINED VOLTAGE, SAID LIMITED POTENTIAL BEING SUPPLIED TO SAID CIRCUIT ELEMENTS AND SAID CIRCUIT ELEMENTS BEING ISOLATED FROM FLUCTUATIONS IN VOLTAGE PEAKS IN SAID SOURCE VOLTAGE.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |