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Class Information
Number: 441/68
Name: Buoys, rafts, and aquatic devices > Water skimming or walking device > Water ski
Description: Device comprising an elongated boardlike member having a width somewhat greater than a user"s foot and a normally upturned leading edge adapted to support the user while planing across the water surface while under tow.










Sub-classes under this class:

Class Number Class Name Patents
441/73 Having connecting means 16
441/70 Ski binding 105
441/69 Ski tow handle 72
441/71 With rooster tail producing means 10
441/72 With seat 22


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8641466 Infant water ski apparatus and method Feb. 4, 2014
8286988 Ski attachments having a boat shape/navicular design for bottom of toe and a top support for front of manufactured skis Oct. 16, 2012
8167671 Locator device for water-skis or water boards May. 1, 2012
8115644 Water skiing training device Feb. 14, 2012
8096563 Recreation device for sliding downhill on a surface Jan. 17, 2012
7926437 Water sports equipment Apr. 19, 2011
7485022 Method and apparatus for surf skiing Feb. 3, 2009
7216887 Board-type runner device with at least one device for increasing resistance to slipping and friction May. 15, 2007
6935909 Apparatus and method for a gliding board for fluid riding sports Aug. 30, 2005
6588772 Sintered sheet plastic material and gliding board base material Jul. 8, 2003
6533625 Water ski Mar. 18, 2003
6461210 Wakeboard with tubular frame and binding footplate having multidirectional adjustability Oct. 8, 2002
RE37823 Water sport towing apparatus and method Sep. 3, 2002
6367827 Caterpillar board designed in particular for use on grass slopes Apr. 9, 2002
6352459 Device for anchoring a utility device to a sportsboard Mar. 5, 2002
6312301 Virtual slalom course Nov. 6, 2001
6192819 Water sport towing apparatus Feb. 27, 2001
6145462 Towable diver aid Nov. 14, 2000
6113113 Sliding apparatus having adjustable flexion and torsion characteristics Sep. 5, 2000
6106347 Guidance pad for surfboard attachment Aug. 22, 2000
6102760 Water sports airfoil Aug. 15, 2000
6056311 Skiing and surfing apparatus producing increased lift May. 2, 2000
6039331 Caterpillar board designed in particular for use on grass slopes Mar. 21, 2000
5984343 Sliding apparatus having adjustable flexion and torsion characteristics Nov. 16, 1999
5979350 Water sport towing apparatus and method Nov. 9, 1999
5910034 Integral overlay wakeboard binding and system Jun. 8, 1999
5823562 Snowboard Oct. 20, 1998
5788548 Water-skis Aug. 4, 1998
5766051 Wakeboard traction pad Jun. 16, 1998
5694337 Water ski performance analysis method and apparatus Dec. 2, 1997
5643029 Motorized surf boots Jul. 1, 1997
5591059 Water ski Jan. 7, 1997
5525083 Towable water sports apparatus such as a water ski Jun. 11, 1996
5514016 Water sport safety device and method May. 7, 1996
5503581 Apparatus for adjustable fin and fin block Apr. 2, 1996
5464358 Airfoil jump ski Nov. 7, 1995
5433636 Water skiboard with rotatable binding Jul. 18, 1995
5338238 Compression molded water ski and method of making the same Aug. 16, 1994
5299963 Water ski apparatus and method Apr. 5, 1994
5277635 Water skiboard with rotatable binding Jan. 11, 1994
5213535 Slalom/trick water ski with side by side binding May. 25, 1993
5181332 Water ski boot and binding Jan. 26, 1993
5108329 Slalom water ski Apr. 28, 1992
5080620 Water ski board Jan. 14, 1992
RE33768 Water ski construction Dec. 17, 1991
5052963 Textured water ski Oct. 1, 1991
5018760 Snow surfboard May. 28, 1991
4902256 Water ski wedge Feb. 20, 1990
4897063 Reaction injection molded recreation boards with spaced rectangular reinforcing rods Jan. 30, 1990
4891027 Water ski binding Jan. 2, 1990

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