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Class Information
Number: 441/117
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > For torso > With buoyancy means on the front
Description: Device wherein the trunk covering means includes buoyancy means for placement on the thorax or abdomen of the torso.










Sub-classes under this class:

Class Number Class Name Patents
441/118 And shoulder 47


Patents under this class:

Patent Number Title Of Patent Date Issued
7753750 Electrically powered balanced buoyancy and velocity of movement controllable life-preserving vest and transport system Jul. 13, 2010
7574755 Air bag apparatus Aug. 18, 2009
7288011 Personal floatation device Oct. 30, 2007
7059924 Personal flotation device Jun. 13, 2006
6582266 Personal flotation device Jun. 24, 2003
6554668 Life jacket Apr. 29, 2003
6537119 Personal floatation device Mar. 25, 2003
6478510 Dive vest Nov. 12, 2002
6447353 Toddler/adult float jacket Sep. 10, 2002
6379208 Personal flotation device with adjusting flotation layers Apr. 30, 2002
6364729 Personal flotation device with front portion central pull system Apr. 2, 2002
6346022 Reversible inflatable personal flotation device Feb. 12, 2002
6183164 Hydrostatic balancing jacket Feb. 6, 2001
6176815 Swimming exercise and training apparatus Jan. 23, 2001
6089936 Personal floatation device Jul. 18, 2000
6062929 Float garment May. 16, 2000
5921898 Water exercise method Jul. 13, 1999
5833505 Multipurpose float Nov. 10, 1998
5775967 Diaper swim suit Jul. 7, 1998
5759076 Lightweight personal flotation device Jun. 2, 1998
5669795 Life-saving float Sep. 23, 1997
5603647 Inflatable life preserving floatation device formed from double woven textile fabrics Feb. 18, 1997
5588891 Swim training device Dec. 31, 1996
5569057 Body surfing device Oct. 29, 1996
5567191 Improvements relating to life jackets Oct. 22, 1996
5456623 Inflatable flotation device Oct. 10, 1995
5348505 Swimming aid device Sep. 20, 1994
5295765 Snorkeling vest Mar. 22, 1994
5183440 Method for converting elliptical to rectangular motion Feb. 2, 1993
5101818 Snorkeling system Apr. 7, 1992
5095957 Flotation assembly Mar. 17, 1992
4934973 Life preserver Jun. 19, 1990
4889511 Flotation assembly Dec. 26, 1989
4842562 Inflatable buoyancy belt Jun. 27, 1989
4753621 Inflatable lifejacket Jun. 28, 1988
4623316 Flotation vest Nov. 18, 1986
4578042 Safety harness personal flotation device Mar. 25, 1986
RE32023 Flotation vest Nov. 5, 1985
4519783 Swimmer's restraining apparatus May. 28, 1985
4397636 Body surfing shirt Aug. 9, 1983
4380441 Flotation vest Apr. 19, 1983
4371353 Life jackets Feb. 1, 1983
4272857 Lifejacket Jun. 16, 1981
4167051 Buoyant life jacket Sep. 11, 1979











 
 
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