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Class Information
Number: 273/457
Name: Amusement devices: games > Enclosed fluid medium
Description: Apparatus including structure for surrounding a quantity of liquid or gas.










Sub-classes under this class:

Class Number Class Name Patents
273/458 Inflatable 33


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8646780 Coin dropping game system Feb. 11, 2014
7959506 Gaming machine Jun. 14, 2011
7927205 Gaming machine Apr. 19, 2011
7828293 Seek and find game with shifting three-dimensional underlay Nov. 9, 2010
7444938 Paintball grenade Nov. 4, 2008
7401787 Inflatable combat arena game Jul. 22, 2008
D514152 Liquid container for calculator Jan. 31, 2006
6981701 Fluid-filled game device Jan. 3, 2006
6959926 Game board having a base for uneven surfaces Nov. 1, 2005
6722887 Training and/or gaming apparatus and method Apr. 20, 2004
6688595 Apparatus and method for water jumping game Feb. 10, 2004
6416430 Water-skimming sport ball for use in competitive water play Jul. 9, 2002
6412782 Continuous water dam gate device Jul. 2, 2002
6367801 Coin dropping game system Apr. 9, 2002
6264201 Water balloon game Jul. 24, 2001
6250636 Water dam game device Jun. 26, 2001
6220599 Dive stick used in aquatic games Apr. 24, 2001
6068262 Selection game May. 30, 2000
5979900 Game with display and action-discharge Nov. 9, 1999
5924691 Liquid-filled display or amusement device having diving object therein Jul. 20, 1999
5887874 Game with action discharge Mar. 30, 1999
5857910 Game machine using object pieces suspended in liquid Jan. 12, 1999
5823538 Game with action-discharge Oct. 20, 1998
5738355 Game Apr. 14, 1998
5718428 Educational device Feb. 17, 1998
5672123 Water mat activity with puddles and spray action Sep. 30, 1997
5421764 Water game for propelling play members through air Jun. 6, 1995
5328173 Device for the random selection of letters and game utilizing same Jul. 12, 1994
5301942 Coin drop amusement game Apr. 12, 1994
5282636 Novelty game Feb. 1, 1994
5263714 Game with selective members for releasing water Nov. 23, 1993
5256457 Serving mat with floating figurines that are alignable with graphics in the base of the serving mat Oct. 26, 1993
5236384 Toy with changeable color Aug. 17, 1993
5211596 Air activated amusement device May. 18, 1993
5104699 Placemat with floating figurine Apr. 14, 1992
5100156 Game apparatus Mar. 31, 1992
5098111 Ornamental game with underwater moving mechanism Mar. 24, 1992
5050882 Liquid filled random number display device Sep. 24, 1991
5039101 Random number generator Aug. 13, 1991
5022654 Liquid filled device for playing a game of chance Jun. 11, 1991
5017171 Toy utilizing bubbles in liquid May. 21, 1991
4941590 Water-filled glass toy Jul. 17, 1990
4936576 Amusement device Jun. 26, 1990
4923429 Bubble-propelled amusement device May. 8, 1990
4756692 Teaching aid apparatus Jul. 12, 1988
4738888 Serving mat Apr. 19, 1988
4632397 Amusement chance device Dec. 30, 1986
4529207 Toy having interchangeable game modules Jul. 16, 1985
4508336 Game device Apr. 2, 1985
4496324 Biomembrane demonstration apparatus Jan. 29, 1985

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