Education and demonstration – Means for demonstrating apparatus – product – or surface... – Plaque to selectively align different points on plaque...
Patent
1984-07-16
1985-08-27
Grieb, William H.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Plaque to selectively align different points on plaque...
281 15R, 283 63R, 446147, G09B 122
Patent
active
045375763
ABSTRACT:
An educational book providing interaction between graphic information contained on reference elements rotatably attached to a base leaf and a second set of graphic information contained on apertured leaves. The apertured leaves superimpose the base leaf and reference elements, such that the apertures are visually aligned with the reference elements. The second set of graphic information areas are juxtaposed with respect to the apertures of the leaves to combined with the graphic information of the reference elements visible through said apertures. To maintain this alignment, the apertured leaves and base leaf are rotatably bound together at one end by a binding mechanism.
REFERENCES:
patent: 730859 (1903-04-01), Austin
patent: 1028921 (1912-06-01), Wagner
patent: 1551660 (1925-09-01), Gove
patent: 1578895 (1926-03-01), Joyce
patent: 1617657 (1927-02-01), Studebaker
patent: 2370229 (1945-02-01), Buckley
patent: 2689751 (1954-09-01), Baller
patent: 2902775 (1959-09-01), Arrowsmith et al.
patent: 2917325 (1959-12-01), Sines
patent: 3191319 (1965-06-01), Waisgerber
patent: 3605287 (1971-09-01), Jonesi
patent: 3753581 (1973-08-01), Kamstra
patent: 3874095 (1975-04-01), Dewaele
patent: 3918180 (1975-11-01), Chamberlin
patent: 4249757 (1981-02-01), Gella
Roberts Bruce B.
Thorsheim Howard I.
LandOfFree
Educational book with interactive elements does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Educational book with interactive elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Educational book with interactive elements will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1999929