Patent US2881397A successfully refreshed from Google Patents.
Patent US3290485A successfully refreshed from Google Patents.
US3290485A
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Temperature controlling device
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1964-01-06
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Granted: 1966-12-06
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Pettit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:38
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0095; D; D02; D02J; D02J13/00; D02J13/005; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A TEMPERATURE CONTROLLING DEVICE INCLUDING, IN COMBINATION, A HEATING MEMBER, MEANS FOR SUPPORTING SAID MEMBER FOR ROTATION ABOUT A PREDETERMINED AXIS, SAID MEMBER HAVING AN OUTSIDE PERIPHERAL SURFACE ENGAGEABLE WITH MATERIAL TO BE HEATED DURING SUCH ROTATION, VARIABLY ENERGIZABLE HEATING MEANS MOUNTED ON SAID CONTACTING SAID MEMBER TO HEAT SAID SURFACE, TEMPERATURE SENSING MEANS PRODUCING AN ELECTRICAL SIGNAL VARYING IN ACCORDANCE WITH VARIATIONS IN THE TEMPERATURE OF SAID SURFACE, SAID SENSING MEANS BEING MOUNTED ON SAID MEMBER FOR ROTATION THEREWITH ADJACENT SAID SURFACE, ELECTRICALLY OPERATED CONTROL MEANS FOR VARYING THE ENERGIZING OF SAID HEATING MEANS IN ACCORDANCE WITH VARIATIONS IN SAID SIGNAL AND THEREBY MAINTAINING SAID SURFACE AT A PRESELECTED TEMPERATURE, AND MEANS SUPPORTING SAID CONTROL MEANS FOR ROTATION WITH SAID MEMBER AND SAID SENSING MEANS IN A POSITION SPACED FROM THE HEATED PORTION OF THE MEMBER TO MINIMIZE HEATING OF SAID CONTROL MEANS DURING OPERATIOIN OF THE DEVICE.
Claim 2
Dependent Claim
149 words
A TEMPERATURE CONTROLLING DEVICE INCLUDING, IN COMBINATION, A HEATING MEMBER, MEANS FOR SUPPORTING SAID MEMBER FOR ROTATION ABOUT A PREDETERMINED AXIS, SAID MEMBER HAVING AN OUTSIDE PERIPHERAL SURFACE ENGAGEABLE WITH MATERIAL TO BE HEATED DURING SUCH ROTATION, VARIABLY ENERGIZABLE HEATING MEANS MOUNTED ON SAID CONTACTING SAID MEMBER TO HEAT SAID SURFACE, TEMPERATURE SENSING MEANS PRODUCING AN ELECTRICAL SIGNAL VARYING IN ACCORDANCE WITH VARIATIONS IN THE TEMPERATURE OF SAID SURFACE, SAID SENSING MEANS BEING MOUNTED ON SAID MEMBER FOR ROTATION THEREWITH ADJACENT SAID SURFACE, ELECTRICALLY OPERATED CONTROL MEANS FOR VARYING THE ENERGIZING OF SAID HEATING MEANS IN ACCORDANCE WITH VARIATIONS IN SAID SIGNAL AND THEREBY MAINTAINING SAID SURFACE AT A PRESELECTED TEMPERATURE, AND MEANS SUPPORTING SAID CONTROL MEANS FOR ROTATION WITH SAID MEMBER AND SAID SENSING MEANS IN A POSITION SPACED FROM THE HEATED PORTION OF THE MEMBER TO MINIMIZE HEATING OF SAID CONTROL MEANS DURING OPERATIOIN OF THE DEVICE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |