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Class Information
Number: 441/73
Name: Buoys, rafts, and aquatic devices > Water skimming or walking device > Water ski > Having connecting means
Description: Device wherein means are provided to link together at least two skis.

Patents under this class:

Patent Number Title Of Patent Date Issued
7604522 Hydrofoil bike apparatus Oct. 20, 2009
6682083 Snowboard system Jan. 27, 2004
5911611 Water ski training apparatus Jun. 15, 1999
5458370 Triple ski system and linkage therefor Oct. 17, 1995
5447458 Water skiing instructional device and method for use Sep. 5, 1995
5080620 Water ski board Jan. 14, 1992
4981455 Water ski starting aid Jan. 1, 1991
4846690 Water ski training apparatus Jul. 11, 1989
4599072 Equipment for movement on water surface and towless aquatic ski Jul. 8, 1986
4534305 Sail ski device Aug. 13, 1985
4460344 Water ski training apparatus Jul. 17, 1984
4421491 Linking sailboards Dec. 20, 1983
4363495 Sloping-terrain vehicle Dec. 14, 1982
4358866 Amphibious furniture Nov. 16, 1982
4293968 Interconnected water skis Oct. 13, 1981
4082304 Ski-sled Apr. 4, 1978

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