US2903666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistors with integral molded metal terminals
Assignee: Speer Carbon Co
•
Filing: 1955-08-23
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Granted: 1959-09-08
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Clement H Krellner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:13
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/001; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098; Y10T29/49101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN ELECTRIC RESISTOR HAVING A MOLDED RESISTOR BODY COMPOSED ESSENTIALLY OF A MIXTURE OF CONDUCTING MATERIAL OF HIGH SPECIFIC RESISTANCE, A FILLER, AND A BINDER, AND METAL TERMINALS INTEGRALLY SECURED TO THE RESISTOR BODY, THE TERMINALS BEING FORMED EXCLUSIVELY FROM METAL POWDER MOLDED SIMULTANEOUSLY WITH THE RESISTOR BODY WHILE IN DIRECT CONTACT THEREWITH, THE SAID METAL POWDER CONSISTING ESSENTIALLY OF A MIXTURE OF COPPER POWDER AND TIN POWDER.
Claim 2
Dependent Claim
68 words
AN ELECTRIC RESISTOR HAVING A MOLDED RESISTOR BODY COMPOSED ESSENTIALLY OF A MIXTURE OF CONDUCTING MATERIAL OF HIGH SPECIFIC RESISTANCE, A FILLER, AND A BINDER, AND METAL TERMINALS INTEGRALLY SECURED TO THE RESISTOR BODY, THE TERMINALS BEING FORMED EXCLUSIVELY FROM METAL POWDER MOLDED SIMULTANEOUSLY WITH THE RESISTOR BODY WHILE IN DIRECT CONTACT THEREWITH, THE SAID METAL POWDER CONSISTING ESSENTIALLY OF A MIXTURE OF COPPER POWDER AND TIN POWDER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |