Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2007-12-07
2010-12-14
Swinehart, Ed (Department: 3617)
Motor vehicles
Special driving device
Portable track
C440S012630
Reexamination Certificate
active
07849942
ABSTRACT:
A vehicle is adapted to operate on land and in water having a depth of over four feet. The vehicle includes a chassis, one or more pontoons supported by the chassis, and a track system disposed on each of the one or more pontoons and adapted to provide propulsion to the vehicle. Each pontoon has a height of at least four feet, a width and a length adjacent to the land, wherein a ratio of the height to the width exceeds 1.4, and a volume configured to provide buoyancy and support the chassis weight.
REFERENCES:
patent: 5899164 (1999-05-01), Coast
patent: 6482053 (2002-11-01), Prestenbach
patent: 6918801 (2005-07-01), Wilson et al.
Wilson Dean Randal
Wilson, Sr. John Michael
Conley & Rose, P.C.
Swinehart Ed
Wilco Marsh Buggies and Draglines, Inc.
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