US3392054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing thin film thermistors
Assignee: VIETORY ENGINEERING Corp
•
Filing: 1965-02-03
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Granted: 1968-07-09
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Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Sapoff Meyer
- 👤 John G Froemel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/07; H01B; H01B1/00; H01C7/00; H01C7/02; H01C7/021; H01C7/04; H01C7/042; H01C7/043; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT, WHICH COMPRISES IN COMBINATION THE STEPS OF PROVIDING A FINELY-DIVIDED METAL OXIDE MATERIAL, FLOATING SAID METAL OXIDE MATERIAL ON A LIQUID SURFACE TO FORM A DISPERSION OF SAID METAL OXIDE MATERIAL ON SAID SUFACE, COMPRESSING SAID DISPERSION HORIZONTALLY TO FORM AS SUBSTANTIALLY CONTINUOUS FILM ONE PARTICLE THICK, PICKING UP SAID FILM ON A SUBSTRATE, AND FIRING SAID SUBSTRATE AND SAID FILM AT A TEMPERATURE AT LEAST EQUAL TO THE SINTERING TEMPERATURE OF SAID METAL OXIDE MATERIAL.
Claim 2
Independent Claim
84 words
A METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT, WHICH COMPRISES IN COMBINATION THE STEPS OF PROVIDING A FINELY-DIVIDED METAL OXIDE MATERIAL, FLOATING SAID METAL OXIDE MATERIAL ON A LIQUID SURFACE TO FORM A DISPERSION OF SAID METAL OXIDE MATERIAL ON SAID SUFACE, COMPRESSING SAID DISPERSION HORIZONTALLY TO FORM AS SUBSTANTIALLY CONTINUOUS FILM ONE PARTICLE THICK, PICKING UP SAID FILM ON A SUBSTRATE, AND FIRING SAID SUBSTRATE AND SAID FILM AT A TEMPERATURE AT LEAST EQUAL TO THE SINTERING TEMPERATURE OF SAID METAL OXIDE MATERIAL.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |