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US3343985A Expired / Lapsed US ⏱️ 0.0 years remaining

Cermet electrical resistance material and method of using the same

Assignee: Beckman Coulter Inc
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Filing: 1963-02-12
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Granted: 1967-09-26
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Expires: 1983-02-12
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Abstract

No abstract record available.

Inventors

  • 👤 Ronald C Vickery

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:12
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/003; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06526; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 71 words
A METHOD VARYING THE METAL CONTENT OF A GIVEN CERMET ELEMENT INCLUDING AT LEAST ONE METAL AND A GLASS HAVING PREDETERMINED VISCOSITY WITHOUT VARYING THE TEMERATURE COEFFICIENT OF RESISTIVITY OF THE RESISTANCE ELEMENTS CONSTRUCTED THEREGROM, SDAID METHOD COMPRISING THE STEPS OF: SELECTING A GLASS HAVING A VISCOSITY CHARACTERISTIC INVERSE TO THE DESIRED CHANGE IN METAL CONTENT, AND FORMING PARTICLES OF CERMET MATERIAL INCLUDING SAID SELECTED GLASS HAVING SUBSTANTIALLY THE SAME METAL
Claim 2
Independent Claim 71 words
A METHOD VARYING THE METAL CONTENT OF A GIVEN CERMET ELEMENT INCLUDING AT LEAST ONE METAL AND A GLASS HAVING PREDETERMINED VISCOSITY WITHOUT VARYING THE TEMERATURE COEFFICIENT OF RESISTIVITY OF THE RESISTANCE ELEMENTS CONSTRUCTED THEREGROM, SDAID METHOD COMPRISING THE STEPS OF: SELECTING A GLASS HAVING A VISCOSITY CHARACTERISTIC INVERSE TO THE DESIRED CHANGE IN METAL CONTENT, AND FORMING PARTICLES OF CERMET MATERIAL INCLUDING SAID SELECTED GLASS HAVING SUBSTANTIALLY THE SAME METAL

References Cited (Backward Citations)

US3149002A Cited
US2950996A Cited
US2924540A Cited
US3052573A Cited
US3154503A Cited
US3207706A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-25 1971-03-27 1971-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-25 1975-03-27 1975-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-25 1979-03-27 1979-09-26 $7700.00 Window Closed / Lapsed

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