Light permeable, color adding, self-securing stressed covers for large display light-emitting devices, and methods
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United States of America Patent
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Sep 1, 1992
Grant Date -
N/A
app pub date -
Aug 31, 1990
filing date -
Aug 31, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A long useful life, light permeable cover of pigmented, injection-molded silicone rubber for elastic manual placement over and self-retention on a light source enclosure. The cover, due to memory, is self-biasing and self-retaining upon the light source enclosure against inadvertent removal and may be used in large multicolor, automatically programmable, electrically changeable, broad spectrum displays, such as scoreboards.
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