Sinkable buoy system for use with a water sports course

Buoys – rafts – and aquatic devices – Buoy – Marker buoy

Reexamination Certificate

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Details

C441S023000, C441S029000

Reexamination Certificate

active

07455561

ABSTRACT:
A sinkable buoy system including a guide buoy, an inflatable air bladder, a weight component, an air supply line and an air supply, wherein the air bladder and the weight component are not housed within a common housing. A system for inflating and deflating an air bladder in order to float a buoy at the surface and sink a buoy below the surface as desired. A sinkable buoy system for use with a water sports course in order to float buoys of the course during course use and sink the buoys when the course is not in use.

REFERENCES:
patent: 2534716 (1950-12-01), Hudspeth et al.
patent: 3878576 (1975-04-01), Suyderhoud
patent: 3936895 (1976-02-01), Talkington
patent: 4189786 (1980-02-01), Adler
patent: 5503188 (1996-04-01), Petrone
patent: 5516317 (1996-05-01), Moody
patent: 5551901 (1996-09-01), Jaeger
patent: 5860379 (1999-01-01), Moody

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