Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Reexamination Certificate
2007-01-16
2009-06-02
Addie, Raymond W (Department: 3671)
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
C404S122000, C404S128000, C172S611000, C172S668000
Reexamination Certificate
active
07540689
ABSTRACT:
A counterweight system for maintain stability of a tractor and the ability to compress a support surface when desired includes a tractor. A frame is selectively hitched to the tractor. A counterweight is coupled to the frame. The counterweight has a weight to balance weight positioned at the front of the tractor. A plurality of hitch balls is coupled to the frame. A trailer receives one of the hitch balls to allow the trailer to be coupled to the frame and to be towed to a different location.
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