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Class Information
Number: 273/121B
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 > Return course > Pachinko (i.e., nearly vertical playing surface)

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5390923 Medal piece feed system for game machines Feb. 21, 1995
5388828 Apparatus with function of detecting position of existence of metal body Feb. 14, 1995
5386995 Game medium circulation control system Feb. 7, 1995
5375966 Reserve tank structure for pachinko island Dec. 27, 1994
5370392 Automatic steel ball recollecting apparatus Dec. 6, 1994
5318163 Ball conveying gutter system of pachinko island Jun. 7, 1994
5292131 Curtain panel assembly for game machine island Mar. 8, 1994
5259615 Payout gate for a gaming device Nov. 9, 1993
5149095 Ball conveying game apparatus Sep. 22, 1992
5131655 Flipped ball game apparatus Jul. 21, 1992
5121919 Game playing device Jun. 16, 1992
5120060 Casino game method and apparatus Jun. 9, 1992
5090699 Game Feb. 25, 1992
5031911 Ball-shooting game machine Jul. 16, 1991
5016879 Pachinko game May. 21, 1991
5004238 Ball-shooting game machine Apr. 2, 1991
4844447 Sound and visual display apparatus Jul. 4, 1989
4840375 Pinball machine Jun. 20, 1989
4828264 Hand held game for playing liar's poker May. 9, 1989
4508336 Game device Apr. 2, 1985
4340228 Number generating device and gaming apparatus incorporating same Jul. 20, 1982
4273341 Game apparatus including projectile and pivotal targets Jun. 16, 1981
4055342 Baseball game amusement device Oct. 25, 1977
4004807 Table ball game Jan. 25, 1977

1 2 3

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