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Class Information
Number: 441/12
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > With signalling device > Audible
Description: Buoy wherein the attention drawing means is an audible signal, e.g., bell, whistle, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
5520486 Diver safety apparatus and method May. 28, 1996
5369796 Floating sound system Nov. 29, 1994
4932910 Emergency location marker system Jun. 12, 1990
4763126 Mooring location system Aug. 9, 1988
4636176 Boat propelled by a motorcycle Jan. 13, 1987
4232391 Vessel location system Nov. 4, 1980
4228556 Automatically energizable lifesaving equipment Oct. 21, 1980
4194246 Noisemaker beacon Mar. 18, 1980
4040135 Emergency locator system for locating and retrieving sunken vessels Aug. 9, 1977











 
 
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