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Class Information
Number: 441/55
Name: Buoys, rafts, and aquatic devices > Swimming aid to increase stroke efficiency
Description: Device secured to or held by a swimmer which increases the effective surface used to propel the swimmer through the water, thereby providing for faster or farther propulsion through the liquid by the user"s swimming strokes.

Sub-classes under this class:

Class Number Class Name Patents
441/59 Arm attached 30
441/61 Foot attached 63
441/56 Hand attached, held, or worn 55
441/60 Leg attached 38

Patents under this class:

Patent Number Title Of Patent Date Issued
8662946 Body surfing suit Mar. 4, 2014
8632372 Swimming device for a swimmer or diver Jan. 21, 2014
7614928 Swim shoe with lateral fins Nov. 10, 2009
7566252 Aquatic propulsion device for swimmers Jul. 28, 2009
7311573 Water craft paddle device for one-arm use Dec. 25, 2007
7291049 Dry swim trainer system Nov. 6, 2007
7044818 Swim stroke guide May. 16, 2006
6986690 Propulsion structure for a water craft Jan. 17, 2006
6960086 Swim training apparatus and method Nov. 1, 2005
6848958 Manually propelled personal flotation device Feb. 1, 2005
6736688 Manually propelled personal floatation device May. 18, 2004
6375530 Whaletail swimming device Apr. 23, 2002
6315700 Air resistance exercise wings Nov. 13, 2001
6309270 Swim gear Oct. 30, 2001
6264519 Aquatic propulsion device Jul. 24, 2001
6261143 Combination type of floating cylinder for swimming and storing articles and the like Jul. 17, 2001
6050925 Exercise apparatus and method Apr. 18, 2000
6007461 Aquatic exercise device Dec. 28, 1999
5487710 Swimmer's drag suit having detachable and repositionable pockets Jan. 30, 1996
5419727 Swimmer training aid for enclosing a fist May. 30, 1995
5106331 Apparatus for body surfing and method of making the same Apr. 21, 1992
5087217 Swimming shoe Feb. 11, 1992
5083522 Swimming harness Jan. 28, 1992
5033116 Clothing for reducing fluid resistance Jul. 23, 1991
5015208 Torso wrap for body surfing May. 14, 1991
5011137 Variable resistance device for use in training swimmers Apr. 30, 1991
4952183 Collapsible propulsion aids for swimmer's feet Aug. 28, 1990
4929205 Leg immobilizer-drag for training swimmers May. 29, 1990
4892496 Web glove Jan. 9, 1990
4869696 Swim fin Sep. 26, 1989
4548588 Swimming aid Oct. 22, 1985
4524711 Swimming harness Jun. 25, 1985
4496328 Combined swimming aid and lifesaving device Jan. 29, 1985

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