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US 4,643,683 AGranted
ECO set didactic blocks/cubes
OwnerMilagros C. Orsini, George Spectorinventors
Life of this patent
Estimating the term…
Abstract
A set of didactic blocks to be used by children is provided and consists of a plurality of different shaped geometric solid members and a plurality of indicia associated with the geometric solid members to stimulate artistic creativity and at the same time teach children mathematics, science, language and the like when the blocks are manipulated in play.
Claims2
A set of didactic blocks to be used by children which comprises:
- (a) a plurality of geometric solid blocks each said geometric solid block having a different shape to stimulate artistic creativity of said children when said blocks are manipulated in play;
- and
- (b) a plurality of indicia, each said indicia having different information and associated with each said geometric solid to teach said children mathematics, science, language and the like when said blocks are manipulated in play, wherein each said geometric block having a track within, and a window in alignment with said track in combination with a moveable elongated band having said indicia printed thereon, said elongated band positioned on said track so that said indicia can be viewed through said window wherein said band includes spaced indicia with means for expansion through said window to expose said indicia and seal said window.
Dependencies are inferred from the claim text.