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US3317692A Expired / Lapsed US ⏱️ 0.0 years remaining

Ambient temperature-modified temperature-altering control mechanism

Assignee: DUNCAN ECONOTROL Inc
•
Filing: 1965-10-22
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Granted: 1967-05-02
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Expires: 1985-10-22
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Abstract

No abstract record available.

Inventors

  • 👤 James L Duncan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 19:53
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1902; G05D23/1904

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 174 words
CONTROL MECHANISM COMPRISING TEMPERATURE-ALTERING CONTROL MEANS FOR CONTROLLING THE OPERATION OF TEMPERATURE ALTERING APPARATUS IN ALTERING THE TEMPERATURE OF A FIRST ENVIRONMENT, POWER-SUPPLY MEANS, A TIME CLOCK, SHORT-PERIOD AUXILIARY TIMER MEANS SEPARATE FROM SAID TIME CLOCK, TIMER-ENERGIZING MEANS ACTUABLE BY SAID TIME CLOCK AT A PRESELECTED TIME FOR INITIATING OPERATION OF SAID AUXILIARY TIMER MEANS, TEMPERATURE-SENSING MEANS RESPONSIVE TO CHANGES IN TEMPERATURE OF A SECOND ENVIRONMENT, ELECTRIC CIRCUIT-CLOSING MEANS CONNECTED TO SAID AUXILIARY TIMER MEANS, SAID TEMPERATURE-SENSING MEANS, SAID POWER-SUPPLY MEANS AND SAID TEMPERATURE-ALTERING CONTROL MEANS FOR CLOSING A CIRCUIT BETWEEN SAID POWERSUPPLY MEANS AND SAID TEMPERATURE-ALTERING CONTROL MEANS BY PREDETERMINED COACTION OF SAID AUXILIARY TIMER MEANS AND SAID TEMPERATURE-SENSING MEANS AFTER A DELAY PERIOD THE DURATION OF WHICH IS GOVERNED BY THE TEMPERATURE EFFECT OF SUCH SECOND ENVIRONMENT ON SAID TEMPERATURE-SENSING MEANS, AND TIMER-DEENERGIZING MEANS CONNECTED TO SAID AUXILIARY TIMER MEANS AND SAID TEMPERATURESENSING MEANS AND OPERABLE BY SUCH PREDETERMINED COACTION THEREOF TO DEENERGIZE SAID AUXILIARY TIMER MEANS PREPARATORY TO REENERGIZATION THEREOF BY SAID TIMER-ENERGIZING MEANS UNDER THE CONTROL OF SAID TIME CLOCK.
Claim 2
Dependent Claim 174 words
CONTROL MECHANISM COMPRISING TEMPERATURE-ALTERING CONTROL MEANS FOR CONTROLLING THE OPERATION OF TEMPERATURE ALTERING APPARATUS IN ALTERING THE TEMPERATURE OF A FIRST ENVIRONMENT, POWER-SUPPLY MEANS, A TIME CLOCK, SHORT-PERIOD AUXILIARY TIMER MEANS SEPARATE FROM SAID TIME CLOCK, TIMER-ENERGIZING MEANS ACTUABLE BY SAID TIME CLOCK AT A PRESELECTED TIME FOR INITIATING OPERATION OF SAID AUXILIARY TIMER MEANS, TEMPERATURE-SENSING MEANS RESPONSIVE TO CHANGES IN TEMPERATURE OF A SECOND ENVIRONMENT, ELECTRIC CIRCUIT-CLOSING MEANS CONNECTED TO SAID AUXILIARY TIMER MEANS, SAID TEMPERATURE-SENSING MEANS, SAID POWER-SUPPLY MEANS AND SAID TEMPERATURE-ALTERING CONTROL MEANS FOR CLOSING A CIRCUIT BETWEEN SAID POWERSUPPLY MEANS AND SAID TEMPERATURE-ALTERING CONTROL MEANS BY PREDETERMINED COACTION OF SAID AUXILIARY TIMER MEANS AND SAID TEMPERATURE-SENSING MEANS AFTER A DELAY PERIOD THE DURATION OF WHICH IS GOVERNED BY THE TEMPERATURE EFFECT OF SUCH SECOND ENVIRONMENT ON SAID TEMPERATURE-SENSING MEANS, AND TIMER-DEENERGIZING MEANS CONNECTED TO SAID AUXILIARY TIMER MEANS AND SAID TEMPERATURESENSING MEANS AND OPERABLE BY SUCH PREDETERMINED COACTION THEREOF TO DEENERGIZE SAID AUXILIARY TIMER MEANS PREPARATORY TO REENERGIZATION THEREOF BY SAID TIMER-ENERGIZING MEANS UNDER THE CONTROL OF SAID TIME CLOCK.

References Cited (Backward Citations)

US2251483A Cited
US2832870A Cited
US3050601A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-01 1970-10-31 1971-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-01 1974-10-31 1975-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-01 1978-10-31 1979-05-02 $7700.00 Window Closed / Lapsed

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