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Class Information
Number: 441/18
Name: Buoys, rafts, and aquatic devices > Buoy > Marker buoy > With signalling device > Illuminating > Electric light > Having water activated battery
Description: Buoy wherein the electric lamp is powered by an electrochemical battery activated by the water in which the buoy is located.

Patents under this class:

Patent Number Title Of Patent Date Issued
7125298 Man overboard beacon Oct. 24, 2006
5237491 Personal rescue light Aug. 17, 1993
4834685 Reversible arming and firing mechanism for marine markers May. 30, 1989
4747084 Energy generators initiated by sea water for acoustic buoys and acoustic buoys equipped with such generators May. 24, 1988
4475476 Signal staff for a person in the water Oct. 9, 1984
4184008 Float type metal-air battery Jan. 15, 1980
3961259 Marine smoke markers Jun. 1, 1976

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