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Class Information
Number: 441/86
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Buoyant shark screen encircling user
Description: Device wherein a buoyancy means to float the user is combined with a means to surround and hide the user from a shark.










Patents under this class:

Patent Number Title Of Patent Date Issued
7238075 Personal water activity apparatus with variable light display for protection against sharks and other water-borne predators Jul. 3, 2007
7052341 Method and apparatus for controlling a propulsive force of a marine vessel May. 30, 2006
4494245 Techniques for repelling predatory animals by the use of aposematic patterns and coloration Jan. 22, 1985
4394124 Flotation life support device Jul. 19, 1983
4223415 Waterborne life-saving apparatus Sep. 23, 1980
4166462 Self-propelled shark-proof cage Sep. 4, 1979
3986220 Shark screen Oct. 19, 1976











 
 
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