Measuring and testing – Vehicle chassis – Suspension system
Reexamination Certificate
2008-12-01
2010-12-07
Kirkland, III, Freddie (Department: 2855)
Measuring and testing
Vehicle chassis
Suspension system
C301S105100
Reexamination Certificate
active
07845217
ABSTRACT:
A vehicle suspension includes a hub and a hub temperature indicating device visible from an exterior of the hub and exposed to a temperature within an interior of the hub, and including a material which changes color in response to a predetermined change in the hub interior temperature. A hub temperature indicating device includes one of a hub cap plug and a hub cap window, including a material which changes color in response to a predetermined change in temperature in the hub interior. Another hub temperature indicating device includes a material which is operative to change color in response to a temperature change in a hub interior, the material comprising an irreversible temperature change indicating material; another material adjacent the first material, and which is operative to transfer heat between the hub interior and the first material; and the device being configured to attach to a hub cap.
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Kirkland, III Freddie
Smith IP Services
Watson & Chalin Manufacturing, Inc.
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