US3815074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermistor for temperature measurement
Assignee: Shibaura Electronics Co Ltd
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Filing: 1973-01-22
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Granted: 1974-06-04
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Expires: 1993-01-22
Abstract
Abstract Thermistors for temperature measurement and method of making the same, wherein the yield in the manufacture is very high and the choice of the products can be made in the midway of the manufacture so that small-sized thermistors having little change in the resistance for the long use can be obtained inexpensibly, said thermistors being usable at a high temperature.
Inventors
- 👤 Y Nagata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/14; H01C1/1413; H01C17/00; H01C17/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49085; Y10T29/49087
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
62 words
A thermistor for temperature measurement comprising a discshaped body of sinter powdery material having a diameter of less than about 1 mm, electrode coating of fired heat-resisting conductive material on both surfaces of said disc-shaped body, and metallic wires capable of sealing with glass, the base portions of said metallic wires being connected to said electrodes with the heat-resisting conductive coating material.
Claim 2
Dependent Claim
62 words
A thermistor for temperature measurement comprising a discshaped body of sinter powdery material having a diameter of less than about 1 mm, electrode coating of fired heat-resisting conductive material on both surfaces of said disc-shaped body, and metallic wires capable of sealing with glass, the base portions of said metallic wires being connected to said electrodes with the heat-resisting conductive coating material.
Claim 3
Dependent Claim
26 words
The thermistor for temperature measurement according to claim 1, wherein said thermistor body, electrodes and base portions of lead wires are embedded in a glass casing.
Claim 4
Dependent Claim
24 words
The thermistor for temperature measurement according to claim 1, wherein said thermistor body, electrodes and base portions of lead wires are covered with glass.
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |