Patent US1793710A successfully refreshed from Google Patents.
Patent US3337365A successfully refreshed from Google Patents.
US3337365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance composition and method of using the same to form a resistor
Assignee: International Business Machines Corp
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Filing: 1963-03-25
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Granted: 1967-08-22
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Mones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
THE METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT COMPRISING: FORMING A VISCOUS MIXTURE CONTAINING A VOLATILE LIQUID CARRIER, A QUNTITY OF FINELY DIVIDED MATERIAL FROM THE GROUP CONSISTING OF PALLADIUM OXIDE, PALLADIUM CHLORIDE, AND PALLADIUM, WHERE THE QUANTITY OF PALLADIUM OXIDE IS 100 PARTS, THE PALLADIUM CHLORIDE IS 144 PARTSS AND THE APLLADIUM IS 86.6 PARTS, A QUANTITY OF FINELY DIVIDED HALIDE FROM THE GROUP CONSISTING OF SILVER CHLORIDE, SILVER BROMIDE AND SILVER IODIDE, WHERE THE QUANTITY OF SIVER CHLORIDE IS 23.3-279 PARTS, THE SILVER BROMIDE IS 30.6-366 PARTS, AND THE SILVER IODIDE IS 38-454 PARTS, 0-400 PARTS OF FINELY DIVIDED GLASS, AND 0-50 PARTS OF FINELY DIVIDED METAL OXIDE FROM THE GROUP CONSISTING OF BISMUTH TRIOXIDE AND LEAD OXIDE; FORMING SAID MIXTURE INTO A FILM ON AN ELECTRICALLY NONCONDUCTIVE BASE; HEATING SAID FILM TO AN INTERMEDIATE TEMPERATURE TO REMOVE SAID LIQUID CARRIER; ADDITIONALLY HEATING SAID FILM TO A HIGHER TEMPERATURE SUFFICIENT TO DECOMPOSE THERMALLY SAID SILVER HALIDE AND RELEASE SILVER, TO SOFTEN SAID GLASS AND SAID METAL OXIDE AND TO FORM ON SAID BASE AN ADHERENT RESISTIVE FILM CONSISTING OF PALLADIUM OXIDE AND SILVER-PALLADIUM ALLOY IN A GLASS MATRIX; AND COOLING SAID BASE AND SAID ADHERENT RESISTIVE FILM.
Claim 2
Independent Claim
199 words
THE METHOD OF MAKING AN ELECTRICAL RESISTANCE ELEMENT COMPRISING: FORMING A VISCOUS MIXTURE CONTAINING A VOLATILE LIQUID CARRIER, A QUNTITY OF FINELY DIVIDED MATERIAL FROM THE GROUP CONSISTING OF PALLADIUM OXIDE, PALLADIUM CHLORIDE, AND PALLADIUM, WHERE THE QUANTITY OF PALLADIUM OXIDE IS 100 PARTS, THE PALLADIUM CHLORIDE IS 144 PARTSS AND THE APLLADIUM IS 86.6 PARTS, A QUANTITY OF FINELY DIVIDED HALIDE FROM THE GROUP CONSISTING OF SILVER CHLORIDE, SILVER BROMIDE AND SILVER IODIDE, WHERE THE QUANTITY OF SIVER CHLORIDE IS 23.3-279 PARTS, THE SILVER BROMIDE IS 30.6-366 PARTS, AND THE SILVER IODIDE IS 38-454 PARTS, 0-400 PARTS OF FINELY DIVIDED GLASS, AND 0-50 PARTS OF FINELY DIVIDED METAL OXIDE FROM THE GROUP CONSISTING OF BISMUTH TRIOXIDE AND LEAD OXIDE; FORMING SAID MIXTURE INTO A FILM ON AN ELECTRICALLY NONCONDUCTIVE BASE; HEATING SAID FILM TO AN INTERMEDIATE TEMPERATURE TO REMOVE SAID LIQUID CARRIER; ADDITIONALLY HEATING SAID FILM TO A HIGHER TEMPERATURE SUFFICIENT TO DECOMPOSE THERMALLY SAID SILVER HALIDE AND RELEASE SILVER, TO SOFTEN SAID GLASS AND SAID METAL OXIDE AND TO FORM ON SAID BASE AN ADHERENT RESISTIVE FILM CONSISTING OF PALLADIUM OXIDE AND SILVER-PALLADIUM ALLOY IN A GLASS MATRIX; AND COOLING SAID BASE AND SAID ADHERENT RESISTIVE FILM.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |