US3317692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambient temperature-modified temperature-altering control mechanism
Assignee: DUNCAN ECONOTROL Inc
•
Filing: 1965-10-22
•
Granted: 1967-05-02
•
Expires: 1985-10-22
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)
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 |