US3267733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermometer
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1963-06-19
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Granted: 1966-08-23
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 John T Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:56
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/18; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12493; Y10T428/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A TEMPERATURE RESPONSIVE DEVICE COMPRISING AN ELONGATED RESISTIVE ELEMENT HAVING A FIRST TEMPERATURE COEFFICIENT OF RESISTIVITY WHICH CHANGES IN ONE DIRECTION WITH INCREASING TEMPERATURE, ENCAPSULATING MEANS SERVING TO ENCAPSULATE AND SUPPORT SAID ELONGATED RESISTIVE ELEMENT, SAID ENCAPSULATION SERVING ADDITIONALLY TO PROVIDE A SHUNT RESISTANCE PATH, SAID ENCAPSULATING MEANS HAVING A PRESELECTED TEMPERATURE COEFFICIENT OF RESISTIVITY WHICH CHANGES IN AN OPPOSITE DIRECTION WITH INCREASING TEMPERATURE IN SUCH A WAY AS TO COMPENSATE FOR SAID CHANGE OF SAID FIRST TEMPERATURE COEFFICIENT OF RESISTIVITY TO MAINTAIN THE TEMPERATURE COEFFICIENT OF RESISTIVITY OF THE COMBINATION SUBSTANTAILLY CONSTANT OVER A PREDETERMINED RANGE OF TEMPERATURE.
Claim 2
Dependent Claim
99 words
A TEMPERATURE RESPONSIVE DEVICE COMPRISING AN ELONGATED RESISTIVE ELEMENT HAVING A FIRST TEMPERATURE COEFFICIENT OF RESISTIVITY WHICH CHANGES IN ONE DIRECTION WITH INCREASING TEMPERATURE, ENCAPSULATING MEANS SERVING TO ENCAPSULATE AND SUPPORT SAID ELONGATED RESISTIVE ELEMENT, SAID ENCAPSULATION SERVING ADDITIONALLY TO PROVIDE A SHUNT RESISTANCE PATH, SAID ENCAPSULATING MEANS HAVING A PRESELECTED TEMPERATURE COEFFICIENT OF RESISTIVITY WHICH CHANGES IN AN OPPOSITE DIRECTION WITH INCREASING TEMPERATURE IN SUCH A WAY AS TO COMPENSATE FOR SAID CHANGE OF SAID FIRST TEMPERATURE COEFFICIENT OF RESISTIVITY TO MAINTAIN THE TEMPERATURE COEFFICIENT OF RESISTIVITY OF THE COMBINATION SUBSTANTAILLY CONSTANT OVER A PREDETERMINED RANGE OF TEMPERATURE.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |