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US3699650A
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Co-firing process for making a resistor
Assignee: Spacetac Inc
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Filing: 1971-01-25
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Granted: 1972-10-24
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Expires: 1991-01-25
Abstract
Abstract A resistor element and a process for manufacturing it including the steps of applying resistor material to a substrate; baking and drying the resistor material at approximately 125* centigrade; applying a glass coating on the resistor material; baking and drying the glass coating at approximately 125* centigrade; and co-firing the material at approximately 840* centigrade to form a resistor element.
Inventors
- 👤 Theodore F Cocca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:33
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/02; H01C7/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3411947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |