Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Patent
1992-06-01
1995-02-28
Mancene, Gene
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Chalkboard or equivalent means having easily erasable surface
B43L 112
Patent
active
053932315
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.
REFERENCES:
patent: 4763929 (1988-08-01), Weil
patent: 5083925 (1992-01-01), Maruyama
Hop Lee Cheong Industrial Co. Ltd.
Mancene Gene
Smith Jeffrey A.
LandOfFree
Child's magic drawing board does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Child's magic drawing board, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Child's magic drawing board will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-844838