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Class Information
Number: 273/122A
Name: Amusement devices: games > Surface projectile game; game element (e.g., target, etc.) or accessory therefor other than projectile, per se) > Ball games > Combined with projector > Ball return > Electric or magnetic

Patents under this class:

Patent Number Title Of Patent Date Issued
7798494 Amusement game Sep. 21, 2010
6402140 Automatic ball-starting device of football game table Jun. 11, 2002
6299164 Floating/dropping ball game table structure Oct. 9, 2001
6257573 Device for supplying/retaining/checking balls for labyrinth-type games of chance Jul. 10, 2001
6227967 Prize redemption game apparatus May. 8, 2001
5931465 Game device Aug. 3, 1999
5509655 Flipped ball game apparatus Apr. 23, 1996
5318298 Arcade game Jun. 7, 1994
5131655 Flipped ball game apparatus Jul. 21, 1992
5004238 Ball-shooting game machine Apr. 2, 1991
4986543 Single and/or double player pinball machine Jan. 22, 1991
4981298 Ball diverter playfield feature for pinball machines Jan. 1, 1991
4979739 Ball return control apparatus Dec. 25, 1990
4595202 Game apparatus utilizing a ball controlled electrical switch Jun. 17, 1986
4569522 Gaming device using visible randomization Feb. 11, 1986
4477078 Game apparatus Oct. 16, 1984
4355802 Billiard table Oct. 26, 1982
4269413 Pinball game May. 26, 1981
4249739 Golf putting practice device Feb. 10, 1981
4244574 Pinball machine with conical playfield Jan. 13, 1981
4130280 Game apparatus Dec. 19, 1978
4002338 Amusement game device Jan. 11, 1977

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