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4629431 Game for teaching time concepts  
An educational game is described for teaching time concepts (e.g., hours in a day, days in a week and month, calendar months, and seasons). The game comprises puzzle pieces which can be assembled...
4627622 Map puzzle having periodic tesselated structure  
A puzzle comprising a planar map projection is formed from a conformal projection of the earth's surface onto an equilateral tetrahedron whose apices are located at preselected significant points...
4625969 Jigsaw puzzle  
A jigsaw puzzle having sets of puzzle pieces with the pieces of a first set being of significantly different size than those pieces of a second set. The above sets of pieces are spaced from one...
4620998 Crescent-shaped polygonal tiles  
Crescent-shaped, polygonal tiles useful for covering walls, floors, ceilings, streets or paths and for producing toys, games and structures. The tiles each have a substantially convex outer edge, a...
4612220 Jigsaw message pads  
A jigsaw message pad comprising a removable sheet of interlocked jigsaw pieces which is within a sleeve characterized bu an open end through which said sheet may be removed and a window through...
4586714 Puzzle game  
A puzzle game and a method of manufacturing the same including separate geometric segments of a total picture image removably fastened in jumbled fashion in a first defined area and a visibly...
4583742 Block and board puzzle game  
A puzzle game includes a game board with a square playing surface, and a plurality of blocks defined by cubes, at least one of the blocks being a single cube and the remaining blocks including two...
4573683 Educational puzzle cube  
An amusement device comprises a solid cube which may be disassembled into a plurality of blocks of differing geometric shapes wherein each of the geometric shapes is formed from one or more modular...
4573684 Puzzles  
A jigsaw comprises a plurality of pieces which can be assembled to form a picture, design, shape or some other representation, some pieces being reversible so as to at least partially alter the...
4570936 Jigsaw puzzle  
A jigsaw puzzle includes puzzle pieces which interlock to provide a two-piece part which is provided with an open slot. A plurality of such two-piece parts can be interfitted together to form a...
4568082 Board game  
A game played with L-shaped members for positioning upon a playing board having squares defined thereon and color marking in a majority of the squares displaying a fixed pattern of horizontal and...
4561097 Puzzle formed of geometric pieces having an even number of equilateral sides  
A puzzle in which each of a number of regular octagons is divided to form an irregular octagon and a number of smaller pieces. Each irregular octagon has four pairs of equilateral parallel sides....
D281791 Game board  
4552361 Jig-saw puzzle work board  
A jig-saw puzzle work board having a frame with a recess formed in one lateral surface of the frame. The bottom of the recess forms a work surface for the assembly of the pieces of a jig-saw...
RE32004 Two-sided puzzle  
A two-sided puzzle having a puzzle comprising puzzle members on each side thereof. One or more puzzle members on one side are each coupled to a puzzle member on the opposite side. The puzzle...
4537001 Building elements  
Building elements with matching side surfaces for fitting together to form constructions of varying shape, said building elements having the same length (L) and each having two opposite, equiform,...
4536160 Computer keyboard educational toy  
An educational toy for teaching small children alphanumeric characters and their positions on a conventional keyboard includes a flat base unit having a plurality of surface slots extending...
4534563 Three dimensional puzzle  
A three dimensional puzzle game having a plurality of component pieces, which when assembled, form a plurality of different right rectangular prism solution shapes. The pieces are designed to give...
4531741 Puzzle  
A puzzle which includes five interfitting pieces, four of which can be interfitted to collectively form a square and all five of which can be interfitted to collectively form a larger square.
4529385 Educational playset  
A system of interlocking keyed play pieces is adapted for receiving and displaying indicia bearing tile members. Each of the play pieces is provided with a display window through which the tiles...
4526550 Combination system and question and answer matching game  
A combination system such as may, for example, be embodied in a matching game or instructional device or in a set of locks and keys consists of a number of receivers and an associated number of...
4522404 Subdivided block components reassemblable into three dimensional figures  
The invention is concerned with the technical field of structures adapted to provide entertainment of a didactic character, and in particular with a block subdivided into suitable portions to...
4509920 Educational toy for teaching alphanumeric sequences  
A support device has a rod-like support member and a base for maintaining the support member in upright position. A guide device extends along the length of the support member, which has a free top...
4508348 Animated puzzle block game  
The block game of the invention comprises an open-top box, including side walls and at least one floor. A plurality of similar regular blocks, designed to be removably contained by the box, are...
4508347 Alphabet blocks  
This invention relates to a combined educational puzzle and amusement device comprising a set of nine toy blocks that have various indicia imprinted on the sides of the individual blocks, in such a...
4503972 Microdrill package  
A package structure supports and protects a plurality of microdrills, the microdrills being resiliently mounted such that the delicate drill bodies are located spaced from one another and spaced...
4494935 Multipurpose globe  
A globe apparatus is provided which includes a basic globe or sphere to which are secured a series of detachable members or pieces. In one preferred embodiment, land masses (continents) are...
4486018 Puzzle and transparent container therefore  
A puzzle assembly having a plurality of pieces which are identical and which interfit without interlocking are assembled in a recess of the base of a container and the container is closed by a...
4484745 Jigsaw puzzle assembly and storage apparatus  
A jigsaw puzzle assembly and storage apparatus is disclosed. The apparatus includes a ferromagnetic base portion preferably contructed including a thin layer of tin or steel. The base portion...
4478583 Teaching device for severely retarded or physically handicapped  
The present invention entails a teaching device for severely retarded and physically handicapped individuals. A separable teaching board is provided which includes a plurality of detachable board...
D275870 Puzzle  
4471960 Puzzle having a plurality of selective scenes  
A puzzle comprised of a plurality of elongated pieces, each piece having a plurality of sides presenting a portion of a scene on each side, the puzzle including a knockdown stand adapted to hold...
4469331 Three dimensional jigsaw puzzle  
A three dimensional jigsaw comprised of a plurality of single-layered and multi-layered interlocking puzzle pieces which combine to form, when the puzzle is assembled, a plurality of superimposed,...
D275301 Puzzle  
4466615 Apparatus for playing game  
An apparatus for playing a game is provided that includes a plurality of cards or tiles upon one surface of which is formed a representation of a portion of a typically elongate subject, which can...
D273964 Simulative toy jigsaw puzzle or similar articles  
4440394 Toy puzzle  
A toy puzzle includes a base member with first and second rows of circular containers. One more container is in the first row than is in the second row. A plurality of playing pieces are to be...
4436307 Device for facilitating assembly, storage and transportation of a jigsaw puzzle  
The device includes an assembly tray for holding assembled pieces of a jigsaw puzzle and includes two storage trays for holding unassembled puzzle pieces. The storage trays are adapted to be placed...
4436309 Strategy card game  
A game including a game board having a base and pegs upstanding on the base arranged in columns and rows to define a grid of uniformly sized squares. A plurality of square cards each of which is...
4428732 Educational and amusement apparatus  
An educational and amusement device includes elements in the form of an alphabet and/or the digits of a numbering system. Each character element is similarly divided by a plurality of essentially...
4422642 Novelty educational puzzle apparatus  
A novelty educational puzzle for instructing users in multidirectional, mathematical and grammatical skills that is restrictive as to both the answers and problems in both the vertical and...
4419081 Mathematical teaching/learning aid and method of use  
A mathematical teaching/learning aid includes a set of thin mathematical cards or blocks, the set including six different types of blocks that represent the numbers +1, -1, +X, -X, +X 2 , and -X 2...
4417732 Electrical construction game  
A puzzle-game consists of a plurality of jig saw-type puzzle boards with identical pictures and puzzle parts for play. The game is played competitively with suitable chance devices, such as dice....
4385467 Physiognomically based puzzle toy  
A multi-layered puzzle toy wherein each layer has a plurality of elements confined within a uniform ovoid peripheral contour, with elements being interchangeable and reversibly interchangeable with...
4381619 Building block  
A substantially rectangular-shaped building block, particularly well adapted for use in a set of identical toy building blocks, having a length, to width, to thickness ratio in the nature of 3 to 2...
4380336 Bird house and method of making same  
A method is described for manufacturing articles from solid member using a series of cuts whereby a finished article such as a hollow bird house or other article is formed by an efficient and...
D267895 Puzzle  
4371166 Cylindrical puzzle  
A geometric puzzle in the general shape of a cylinder is disclosed. The puzzle is comprised of eight side segments of identical outside dimensions and top and bottom portions of similar dimensions....
4365809 Three-figure dissection puzzle  
There is provided a puzzle of nine basic geometric pieces, alternatively assemblable into a rectangle, square or five-pointed star, the nine pieces being subdividable and in their largest form...
4360347 Mathematical educational game devices  
A two dimensional educational game device (10) in accordance with a first embodiment of the invention includes a plurality of flat rectangular members (15, 30) having arcuate front and rear ends...