Underwater device and method of play

Amusement devices: toys – Aquatic – Boat

Reexamination Certificate

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Details

C446S180000, C446S211000

Reexamination Certificate

active

06926577

ABSTRACT:
A device for recreational and educational use includes a substantially cylindrical section having a first end, and a second end. A cavity is disposed within the substantially cylindrical section to receive fluid when the device is immersed in a body of fluid. The substantially cylindrical section decreases in radius toward the first end and present a low drag profile to impinging fluid flow. Control surfaces are included on the substantially cylindrical section. A stabilizer is coupled with the substantially cylindrical section, to stabilize motion of the device in the body of fluid when the device is launched by a user. The device can be hand-launched by a user. Energy storage assisted launch mechanisms are also described that assist the user during submarine launch of the device.

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patent: 6699091 (2004-03-01), Warner

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