Marine propulsion – Screw propeller – Having means to control flow around propeller
Reexamination Certificate
2007-09-11
2007-09-11
Swinehart, Ed (Department: 3617)
Marine propulsion
Screw propeller
Having means to control flow around propeller
C440S006000
Reexamination Certificate
active
11484274
ABSTRACT:
A recreational boat comprising a boat hull having a bottom and a top deck. Formed in the bottom are two spaced apart elongated cavities that extend substantially the entire length of the boat. Disposed in each cavity intermediately between the front and rear of the boat is an electric trolling motor. Each electric trolling motor is independently controlled by a foot pedal mounted on the top deck. Hence, the boat is propelled by the trolling motor and can be steered by independently controlling each of the electric trolling motors.
REFERENCES:
patent: 3848561 (1974-11-01), Price
patent: 4537144 (1985-08-01), Horton
patent: 4730571 (1988-03-01), Hedlund et al.
patent: 5131875 (1992-07-01), Lee
patent: 6416368 (2002-07-01), Griffith et al.
Jones Frank W.
Lee Warren D.
Coats & Bennett P.L.L.C.
Swinehart Ed
Twin Troller Boats, Inc.
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