Child's magic drawing board
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 28, 1995
Grant Date -
N/A
app pub date -
Jun 1, 1992
filing date -
Jun 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magic drawing board comprises a base, an opaque sheet mounted on the base, a flexible transparent sheet anchored along one edge thereof to the base, and a coupling mechanism comprising a coupling element on the base and a mating coupling element on the opposite edge of the transparent sheet for locating the transparent sheet in superposed position on the opaque sheet under uniform tension over the area of superposition, resulting in a higher quality image.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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