US3147369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control systems
Assignee: Individual
•
Filing: 1962-11-02
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Granted: 1964-09-01
•
Expires: 1982-11-02
Abstract
No abstract record available.
Inventors
- 👤 Lewis L Salton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:50
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; H01; H01H; H01H37/00; H01H37/02; H01H37/12; H01H37/16; H05B3/00; H05B3/68; H05B3/74; H05B3/748; H05B2213/00; H05B2213/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
IN A HEATING STRUCTURE HAVING AN IMPERVIOUS UPPER PLATE CARRYING AN ELECTRICAL HEATING ELEMENT AND MEANS DEFINING AN ENCLOSED AIR SPACE BENEATH SAID HEATING ELEMENT, SAID MEANS COMPRISING A FRAME AND A BOTTOM, THE IMPROVEMENT WHICH COMPRISES: A NON-ADJUSTABLE THERMOSTAT LOCATED WITHIN SAID AIR SPACE, SAID THERMOSTAT BEING OPERATIVELY CONNECTED TO SAID HEATING ELEMENT SO AS TO BE CAPABLE OF REGULATING THE OPERATION OF SAID HEATING ELEMENT; AND MEANS FOR SUPPORTING SAID THERMOSTAT SO THAT THE DISTANCE BETWEEN SAID THERMOSTAT AND SAID HEATING ELEMENT CAN BE VARIED AND SO THAT THE ORIENTATION OF SAID THERMOSTAT WITHIN SAID AIR SPACE WITH RESPECT TO SAID HEATING ELEMENT IS CAPABLE OF BEING CHANGED IN ORDER TO CONTROL THE TEMPERATURE AT WHICH SAID HEATING ELEMENT IS OPERATED, SAID MEANS COMPRISING A SHAFT EXTENDING THROUGH SAID FRAME FROM THE INSIDE TO THE OUTSIDE OF SAID ENCLOSED AIR SPACE ROTATABLE ON AN AXIS, SAID AXIS BEING AT OTHER THAN RIGHT ANGLES WITH RESPECT TO SAID HEATING ELEMENT, MEANS CONNECTED TO SAID THERMOSTAT AND TO SAID SHAFT FOR SUPPORTING SAID THERMOSTAT BY SAID SHAFT AWAY FROM THE AXIS OF SAID SHAFT, AND MEANS CONNECTED TO SAID SHAFT EXTERNALLY OF SAID FRAME TO CAUSE ROTATION OF SAID SHAFT TO VARY THE DISTANCE BETWEEN SAID HEATING ELEMENT AND SAID THERMOSTAT.
Claim 2
Dependent Claim
211 words
IN A HEATING STRUCTURE HAVING AN IMPERVIOUS UPPER PLATE CARRYING AN ELECTRICAL HEATING ELEMENT AND MEANS DEFINING AN ENCLOSED AIR SPACE BENEATH SAID HEATING ELEMENT, SAID MEANS COMPRISING A FRAME AND A BOTTOM, THE IMPROVEMENT WHICH COMPRISES: A NON-ADJUSTABLE THERMOSTAT LOCATED WITHIN SAID AIR SPACE, SAID THERMOSTAT BEING OPERATIVELY CONNECTED TO SAID HEATING ELEMENT SO AS TO BE CAPABLE OF REGULATING THE OPERATION OF SAID HEATING ELEMENT; AND MEANS FOR SUPPORTING SAID THERMOSTAT SO THAT THE DISTANCE BETWEEN SAID THERMOSTAT AND SAID HEATING ELEMENT CAN BE VARIED AND SO THAT THE ORIENTATION OF SAID THERMOSTAT WITHIN SAID AIR SPACE WITH RESPECT TO SAID HEATING ELEMENT IS CAPABLE OF BEING CHANGED IN ORDER TO CONTROL THE TEMPERATURE AT WHICH SAID HEATING ELEMENT IS OPERATED, SAID MEANS COMPRISING A SHAFT EXTENDING THROUGH SAID FRAME FROM THE INSIDE TO THE OUTSIDE OF SAID ENCLOSED AIR SPACE ROTATABLE ON AN AXIS, SAID AXIS BEING AT OTHER THAN RIGHT ANGLES WITH RESPECT TO SAID HEATING ELEMENT, MEANS CONNECTED TO SAID THERMOSTAT AND TO SAID SHAFT FOR SUPPORTING SAID THERMOSTAT BY SAID SHAFT AWAY FROM THE AXIS OF SAID SHAFT, AND MEANS CONNECTED TO SAID SHAFT EXTERNALLY OF SAID FRAME TO CAUSE ROTATION OF SAID SHAFT TO VARY THE DISTANCE BETWEEN SAID HEATING ELEMENT AND SAID THERMOSTAT.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |