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Class Information
Number: 441/9
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > Having means to release buoy upon submergence > Gas assisted
Description: Buoy wherein the release of the buoy is assisted by a gas and wherein the release or generation of the gas is initiated by sinking of the body or vessel.










Patents under this class:

Patent Number Title Of Patent Date Issued
8613635 Fluid activated retrieval device Dec. 24, 2013
6332819 Object retrieval device used in water Dec. 25, 2001
5911542 Unsinkable floating dock system Jun. 15, 1999
5857881 Automatically inflating bladder and line severing means for rod and reel Jan. 12, 1999
4932910 Emergency location marker system Jun. 12, 1990
4540370 Retriever for submerged objects Sep. 10, 1985
4295438 Rescue locator signal package Oct. 20, 1981
3997930 Retrieving device Dec. 21, 1976
3982294 Retriever Sep. 28, 1976











 
 
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