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Class Information
Number: 441/8
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > Having means to release buoy upon submergence > Water soluble or water weakened member
Description: Buoy wherein the buoy is attached to a body or vessel by securing means soluble in, dissolved in, or weakened by water such that upon contact with water the securing means is disabled thereby releasing the buoy.










Patents under this class:

Patent Number Title Of Patent Date Issued
8105124 Devices and methods for recovering articles inadvertently submerged in a body of water Jan. 31, 2012
7540796 Inflatable buoyancy device with water-dependant triggering mechanism Jun. 2, 2009
7261606 Flotation apparatus Aug. 28, 2007
7232354 Inflatable buoyancy device with water-dependant triggering mechanism Jun. 19, 2007
6036559 Flotation device for a submerged article Mar. 14, 2000
5156562 Submerged article marker and retriever Oct. 20, 1992
4924445 Sonobuoy cable pack May. 8, 1990
4834685 Reversible arming and firing mechanism for marine markers May. 30, 1989
4766690 Fishing rod marking buoy Aug. 30, 1988
4713031 Submerged bobber release device for fishing rods and the like Dec. 15, 1987
4703711 Load-indicating devices Nov. 3, 1987
4619066 Float release devices Oct. 28, 1986
4583314 Rod flotation device Apr. 22, 1986
4290159 Sportsman's retriever Sep. 22, 1981
4126907 Spar float recovery capsule Nov. 28, 1978
3982294 Retriever Sep. 28, 1976











 
 
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