Temperature sensitive dipstick

Details Temperature sensitive dipstick Temperature sensitive dipstick

2007-03-19

2008-09-02

Fulton, Christopher W (Department: 2841)

Geometrical instruments

Distance measuring

Sounding type

C073S295000

Reexamination Certificate

active

07418788

ABSTRACT:
A fluid level indicator for determining the level of fluid in a container includes a dipstick that is entered into the fluid in the container and withdrawn from the fluid, a billet of thermochromic material having a reference temperature, a billet length extending along a portion of the dipstick, and a fluid level range marking on the dipstick along the length of the billet.

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patent: 2006/0000103 (2006-01-01), Nicosia et al.
patent: 2007/0264153 (2007-11-01), Lach, III

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