Patent US3318133A successfully refreshed from Google Patents.
US3318133A
Expired / Lapsed
US
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Apparatus for calibrating thermistor thermometers
Assignee: HIGH STOY TECHNOLOGICAL Corp A CORP OF
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Filing: 1964-08-27
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Granted: 1967-05-09
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Hahn Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0227; H05B1/023; H05B1/025; G; G01; G01K; G01K1/00; G01K1/08; G01K1/12; G01K15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
APPARATUS FOR CALIBRATING A THERMISTOR THERMOMETER WHICH INCLUDES A MOVABLE SCALE ADAPTED TO HAVE INDICIA RECORDED THEREON, AND A NULL INDICATING CIRCUIT FOR TRANSMITTING A SIGNAL EXCEPT WHEN A NULL IS INDICATED, INCLUDING A MECHANICALLY ADJUSTABLE MEANS CONNECTED TO SAID SCALE FOR ADJUSTING A PARAMETER OF SAID CIRCUIT TO INDICATE A NULL, AND A THERMISTOR, SAID APPARATUS COMPRISING A HEAT CHAMBER, SAID THERMISTOR BEING POSITIONABLE IN SAID HEAT CHAMBER, A THERMOELECTRIC ELEMENT IN SAID HEAT CHAMBER FOR GENERATING A SIGNAL HAVING A CHARACTERISTIC REPRESENTING THE TEMPERATURE OF SAID HEAT CHAMBER, MEANS FOR SUPPORTING SAID THERMOMETER, INDICIA PRINTING MEANS OPERATIVELY POSITIONED WITH RESPECT TO SAID THERMOMETER WHEN THE LATTER IS SUPPORTED BY SAID SUPPORTING MEANS, SAID INDICIA PRINTING MEANS INCLUDING MEANS RESPONSIVE TO THE CHARACTERISTIC OF THE SIGNAL GENERATED BY SAID THERMOELECTRIC MEANS FOR POSITIONING PRINTING INDICIA REPRESENTING THE TEMPERATURE OF SAID HEAT CHAMBER OPPOSITE SAID MOVABLE
Claim 2
Dependent Claim
146 words
APPARATUS FOR CALIBRATING A THERMISTOR THERMOMETER WHICH INCLUDES A MOVABLE SCALE ADAPTED TO HAVE INDICIA RECORDED THEREON, AND A NULL INDICATING CIRCUIT FOR TRANSMITTING A SIGNAL EXCEPT WHEN A NULL IS INDICATED, INCLUDING A MECHANICALLY ADJUSTABLE MEANS CONNECTED TO SAID SCALE FOR ADJUSTING A PARAMETER OF SAID CIRCUIT TO INDICATE A NULL, AND A THERMISTOR, SAID APPARATUS COMPRISING A HEAT CHAMBER, SAID THERMISTOR BEING POSITIONABLE IN SAID HEAT CHAMBER, A THERMOELECTRIC ELEMENT IN SAID HEAT CHAMBER FOR GENERATING A SIGNAL HAVING A CHARACTERISTIC REPRESENTING THE TEMPERATURE OF SAID HEAT CHAMBER, MEANS FOR SUPPORTING SAID THERMOMETER, INDICIA PRINTING MEANS OPERATIVELY POSITIONED WITH RESPECT TO SAID THERMOMETER WHEN THE LATTER IS SUPPORTED BY SAID SUPPORTING MEANS, SAID INDICIA PRINTING MEANS INCLUDING MEANS RESPONSIVE TO THE CHARACTERISTIC OF THE SIGNAL GENERATED BY SAID THERMOELECTRIC MEANS FOR POSITIONING PRINTING INDICIA REPRESENTING THE TEMPERATURE OF SAID HEAT CHAMBER OPPOSITE SAID MOVABLE
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |