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...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.

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Class D21/348 - Checkerboard type


Subclass of Class D21 - Games, toys, and sports goods
Definition: Design that includes an alternating pattern of open and
No. of patents: 18
Last issue date: 10/09/2007


NumberTitleIssue Date
D552689Game board
10/09/2007
D520069Wavy chessboard
05/02/2006
6412778Multi-level chessboard
A multi-level chessboard wherein the playing surface of the chessboard is divided into a first series of squares and a second series of squares with the second series of squares being of a color that contrasts to the color of the first series of squares. ...
07/02/2002
6279907Spacial game board with spacial chess and spacial checkers
The Spacial Game Board is a contiguous, multi-level (variable quantity and variably locatable in some cases) game board of squares with the quantity of simultaneous players determined by the quantity of squares being played on (2 players~64 squares, 4 pla...
08/28/2001
6260847Oblique chessboard
A chessboard that is oblique like in form for playing conventional chess or checkers. The chessboard is flat two-dimensional and typically kidney shaped with sixty-four identifiable curved playing spaces. Players can play opposite each other or on the sam...
07/17/2001
6170826Three person chess game and method of play
A novel three person chess apparatus and method of play is disclosed. A generally hexagonal board is provided having alternating side lengths of 8 and 9 spaces. Each of the three sides in the game set up the rear rank of their pieces on one of the 9 space...
01/09/2001
5908193Game board for chess, checkers, and the like
A game board (20) for playing chess or checkers, and the like, for two or more players. Each side of the game board (20) has seven edge stations or playing squares, (e1) through (e7), of two alternating contrasting colors, seven first interior stations, (...
06/01/1999
5647593Easy chess-like game
A chess-like game for two players, with a modified game board and a small number of playing pieces, in order to make it easy to learn and play and yet retain much of the appeal of the conventional chess game, in terms of strategy and tactics. In the prefe...
07/15/1997
5641166Diverse board game
This board game apparatus is adapted for two to four players to play a variety of strategy challenging and luck demanding games. It includes an eight-sided game board having a checkered grid of horizontal rows and vertical columns of squares provided on i...
06/24/1997
5582410Multi-player chess game
A chess game playable by two or more players is disclosed. The chess game is played upon polygonal spaces arranged substantially in the shape of an equilateral polygon. Two or more armies of chessmen are arranged on the chessboard. Additional chessmen are...
12/10/1996
5513849Method of playing a four-player chess game
A method of playing chess for four players has been devised which utilizes a modified chess board and a plurality of distinguishable sets of playing pieces. The game board consists of 160 alternating light-colored and dark-colored squares arranged in the ...
05/07/1996
5492332Chess-type game
This invention is a chess-type board game apparatus and method of playing the same with a modified chess board having a main rectangular playing field and a generally pentagonal shaped field extending from one side thereof. The playing field as a whole co...
02/20/1996
5333877Method of playing a board game
An improved board game apparatus is provided which consists of a game board having a continuous path around its perimeter divided into consecutive playing spaces of alternate colors with each of the two diagonal corner spaces being a start/home space and ...
08/02/1994
5257787Chess-like game
A chess-like game is provided to simplify the teaching and playing of basic chess. It includes a game board having a lesser number of squares, for example, five vertical rows and six horizontal rows. A reduced number of pieces are provided, with each oppo...
11/02/1993
5014995Board game apparatus
The apparatus comprises a hexagonal board subdivided into a tessellated arrangement of equilateral triangles, and two to four sets of playing pieces, with at least seven pieces in each set. The triangles into which the board is subdivided alternate in typ...
05/14/1991
4991856Circular chess game board
Circular game boards for play of a game of a variety of chess by two or more players, each of the boards having a plurality of playing spaces arranged in circular ranks and radial files, a plurality of non-playing spaces disposed between adjacent playing ...
02/12/1991
4940241Three player chess-type game
A three player chess-like game comprising a game board including an equilateral triangle-shaped playing surface having an array of equilateral-triangle shaped playing spaces demarcated thereon, with home area playing surfaces at each side of the equilater...
07/10/1990
4886279Circular chess/checkers board method of play
A game board for the game of chess and other games such as checkers, consists of four concentric rings of playing areas, the center ring being circular. The center ring has four playing areas, the second ring twelve, the third ring twenty and the fouth ri...
12/12/1989
 
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