Roadway Marking Devices and Methods of Using Thereof
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United States of America Patent
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Issued Date -
Dec 1, 2011
app pub date -
Aug 9, 2011
filing date -
Dec 9, 2008
priority date (Note) -
Abandoned
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Abstract
A marking device includes a support having a first end engaged with a ground surface, and a second end positioned away from the ground surface. A force transfer structure is connected to the second end of the support, wherein the force transfer structure has a diameter less than a diameter of a middle portion of the support. A cylindrical biasing mechanism attached to the middle portion of the support, wherein the cylindrical biasing mechanism has a first end, a second end and a middle portion, wherein the middle portion has a diameter that exceeds a diameter of the first end and the second end. An elongated rod, attached to the second end of the cylindrical biasing mechanism at a first end.
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