Temperature indicator for motor vehicle
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United States of America Patent
Stats
-
Jul 15, 2003
Grant Date -
N/A
app pub date -
Sep 23, 1999
filing date -
Sep 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A temperature indicator for a motor vehicle arranged to indicate, to the driver of the vehicle, the ambient temperature either inside or outside the vehicle. The temperature indicator comprises thermochromic material (36-46) applied to the reflective member (30) of a rear view mirror (10) and arranged in a line, locations along which are arranged to change colour at successively increasing temperatures. The line of thermochromic material (36-46) may be positioned to separate zones (32, 34) of the reflective member which differ in curvature.
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