Back to results
US 5,176,704 AGranted
Temperature-responsive pacifier assembly
AssigneeAmerican Vista
InventorDieter R. Berndt
Life of this patent
Estimating the term…
Abstract
There is disclosed an improved temperature responsive orthodontically-shaped pacifier assembly having an insert member with two liquid crystal capsules or eyes making positive pressure contact with a nipple portion and wherein the liquid crystal capsules or eyes are responsive to different temperatures above about 98.degree. F. whereby one capsule changes color representative of a low grade fever and both capsules change color representative of a high grade fever.
Claims2
A pacifier assembly, which comprises;
- a nipple portion having an end wall and defining a chamber;
- and
- an insert member disposed in said chamber and having at least one liquid crystal composition disposed thereon, said liquid crystal composition exhibiting a color change at temperature above about 100.degree. F., said insert member being comprised of an intermediate portion folded between an end portion having said liquid crystal composition disposed thereon and an inserting end portion thereof for biasing said liquid crystal composition in pressure contacting relationship against said end wall of said nipple portion.
Dependencies are inferred from the claim text.