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US3365692A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable resistor and element

Assignee: Bourns Inc
•
Filing: 1966-03-10
•
Granted: 1968-01-23
•
Expires: 1986-03-10
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Abstract

No abstract record available.

Inventors

  • 👤 Carl C Sartain

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:26
CPC Classifications
H; H01; H01C; H01C10/00; H01C7/00; H01C7/006

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 56 words
A RESISTANCE ELEMENT FOR USE IN VARIABLE RESISTORS SUCH AS POTENTIOMETERS, SAID ELEMENT COMPRISING A MASS OF STABLE SHAPE AND A SURFACE COMPOSED OF HOMOGENEOUS MATERIAL CONFORMING TO THE FORMULA FEXCO1-XSI, WHEREIN FE, CO, AND SI REPRESENT IRON, COBALT AND SILICON, RESPECTIVELY, AND WHEREIN X IS A NUMERICAL VALUE WITHIN THE RANGE OF 0.07 TO 0.09.
Claim 2
Dependent Claim 56 words
A RESISTANCE ELEMENT FOR USE IN VARIABLE RESISTORS SUCH AS POTENTIOMETERS, SAID ELEMENT COMPRISING A MASS OF STABLE SHAPE AND A SURFACE COMPOSED OF HOMOGENEOUS MATERIAL CONFORMING TO THE FORMULA FEXCO1-XSI, WHEREIN FE, CO, AND SI REPRESENT IRON, COBALT AND SILICON, RESPECTIVELY, AND WHEREIN X IS A NUMERICAL VALUE WITHIN THE RANGE OF 0.07 TO 0.09.

References Cited (Backward Citations)

US2149841A Cited
US2130737A Cited
US2470653A Cited
US2781259A Cited
US3099578A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-22 1971-07-24 1972-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-22 1975-07-24 1976-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-22 1979-07-24 1980-01-23 $7700.00 Window Closed / Lapsed

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