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Class Information
Number: 441/114
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > For torso > With buoyancy means on the back
Description: Device wherein the trunk covering means includes buoyancy means for placement on the back of the torso.










Sub-classes under this class:

Class Number Class Name Patents
441/115 And front 45


Patents under this class:

Patent Number Title Of Patent Date Issued
8403719 Flotation vest for body surfing Mar. 26, 2013
RE42238 Combined ballast and signalling device for a personal flotation device Mar. 22, 2011
RE42149 Water safety and survival system Feb. 15, 2011
7824239 Rescue harness Nov. 2, 2010
7704015 Expandable air bag construction for protection of an inflatable air cell in a diver's buoyancy compensator Apr. 27, 2010
7288011 Personal floatation device Oct. 30, 2007
7104858 Emergency supplemental flotation device Sep. 12, 2006
6871357 Flotation swim garment for children Mar. 29, 2005
6749369 Equipped balancing jacket Jun. 15, 2004
6558082 Combined ballast and signalling device for a personal flotation device May. 6, 2003
6530725 Water safety and survival system Mar. 11, 2003
6478510 Dive vest Nov. 12, 2002
6244784 Buoyancy compensator and method of constructing the same Jun. 12, 2001
6158380 Saving apparatus for persons in avalanches Dec. 12, 2000
6071161 Aquatic exercise device with buoyant elements Jun. 6, 2000
6062929 Float garment May. 16, 2000
5957079 Diving ballast Sep. 28, 1999
5954556 Emergency flotation device Sep. 21, 1999
5671480 Signaling device Sep. 30, 1997
5664981 Swimming aid and method of use Sep. 9, 1997
5660503 Light weight scuba with buoyancy control Aug. 26, 1997
5567084 Buoyancy compensator with a traction pressure pad Oct. 22, 1996
5472391 Aquatic exercise device with auxiliary buoyant elements Dec. 5, 1995
5459874 Construction of flotation swimsuits Oct. 24, 1995
5385521 Aquatic exercise device Jan. 31, 1995
5249890 Modular backpack assembly and buoyancy compensator Oct. 5, 1993
5046894 Buoyancy compensator with interchangeable backpack and commerbund Sep. 10, 1991
5030153 Flotation vest Jul. 9, 1991
4842562 Inflatable buoyancy belt Jun. 27, 1989
4545773 Sailboarding personal flotation device Oct. 8, 1985
4144607 Bag and flotation buoy Mar. 20, 1979











 
 
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