Mat base plate
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United States of America Patent
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Oct 30, 1984
Grant Date -
N/A
app pub date -
Dec 1, 1980
filing date -
Dec 24, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mat base plate for use with a shrinkable mat is shown including an upstanding rim extending around a floor of the mat base plate. The rim has a plateau surface at the top thereof, an outer wall and a slope extending from said plateau, continuously to the bottom of the mat-receiving basin that is constituted by the rim and floor of the mat base plate. In the fourth embodiment, the rim is semi-cylindrical or at least convexly arcuate in cross-sectional shape, and has a rough surface having the appearance of a plurality of wave-like convexes and concaves.
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