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Class Information
Number: 273/112
Name: Amusement devices: games > Surface projectile game; game element (e.g., target, etc.) or accessory therefor other than projectile, per se) > Moving surface > Spiral surface
Description: Games in which the surface is arranged in the form of a spiral path.

Patents under this class:

Patent Number Title Of Patent Date Issued
8574099 Par one Nov. 5, 2013
7677991 Par one Mar. 16, 2010
7367565 Balance plate intelligent game apparatus May. 6, 2008
6866616 Dual path helical ramp Mar. 15, 2005
6698761 Magnet movement gaming device Mar. 2, 2004
6485018 Ball-containing play table for children's play areas Nov. 26, 2002
5938195 Serpentine ramp for a pinball game Aug. 17, 1999
5375828 Cup lid game Dec. 27, 1994
5374217 Illusion creating for amusement and education Dec. 20, 1994
5370391 Spiral slide ball game Dec. 6, 1994
4943060 Little mini snowman game Jul. 24, 1990
4919423 Psychomotricity test-toy Apr. 24, 1990
4537401 Game apparatus Aug. 27, 1985
4531736 Action croquet post Jul. 30, 1985
4062543 Helical spring game Dec. 13, 1977

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