Image display control panel for overhead projectors
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United States of America Patent
Stats
-
Dec 15, 1992
Grant Date -
N/A
app pub date -
Mar 4, 1992
filing date -
Mar 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An attachment device for overhead projectors which permits blocking of the image display by changing the position of an opaque panel wherein the device is frictionally attached to the projection head. The opaque panel of heat transmitting foil is hingedly attached to a hood. The sides of the hood extend downwardly and are biased inwardly to engage the projection head.
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International Classification(s)
Cited Art Landscape
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