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Class Information
Number: 441/17
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > With signalling device > Illuminating > Electric light > Having water activated switch
Description: Buoy wherein the electric lamp is controlled by a mechanical means which makes or breaks a circuit upon its submergence.










Patents under this class:

Patent Number Title Of Patent Date Issued
8430704 Flotation device Apr. 30, 2013
7401935 Beverage accessory devices Jul. 22, 2008
7125298 Man overboard beacon Oct. 24, 2006
5257954 Rescue buoy package Nov. 2, 1993
4628401 Electric feed device which can be started by a liquid Dec. 9, 1986
4195380 Life saving apparatus for vessels Apr. 1, 1980
4109405 Capsule lamp as a fishing tackle Aug. 29, 1978
4040135 Emergency locator system for locating and retrieving sunken vessels Aug. 9, 1977
3953905 Stabilized, towable spar buoy May. 4, 1976











 
 
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