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Class Information
Number: 273/121E
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 > Ball elevator

Patents under this class:

Patent Number Title Of Patent Date Issued
8021239 Interactive water play apparatus Sep. 20, 2011
6257573 Device for supplying/retaining/checking balls for labyrinth-type games of chance Jul. 10, 2001
5465965 Rotating pinball bridge and drop Nov. 14, 1995
5417422 Pinball optical illusion techniques May. 23, 1995
5383663 Player controlled dump ramp for a pinball game Jan. 24, 1995
5335910 Pinball machine having a conveyor belt ball lift Aug. 9, 1994
4968031 Pinball machine with ball-launching ramps Nov. 6, 1990
4861037 Pinball runway and scoring feature Aug. 29, 1989
4848748 Ball lifter mechanism Jul. 18, 1989
4844447 Sound and visual display apparatus Jul. 4, 1989
4840375 Pinball machine Jun. 20, 1989
4822045 Rolling ball game Apr. 18, 1989
4805906 Pinball machine construction Feb. 21, 1989
4447057 Toy with balls May. 8, 1984
4032148 Game apparatus Jun. 28, 1977

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