Road structure – process – or apparatus – Traffic director – Attenuated lane marker type
Reexamination Certificate
2006-07-18
2006-07-18
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Traffic director
Attenuated lane marker type
C404S012000
Reexamination Certificate
active
07077600
ABSTRACT:
A roadway marking system, comprising a roadway marking tape and a plurality of spaced reflective roadway markers having a white reflective front surface, a red reflective rear surface and a elevated crest, is applied to an upper surface of a roadway. The roadway marking tape has a lower surface with an expandable adhesive material and a plurality of contoured roadway spikes, projecting from the reflective roadway markers which are exposed from the lower surface through the adhesive material. When downward pressure is applied to the upper surface of the roadway marking tape and the elevated crest of the reflective roadway markers, the roadway marking system becomes permanently attached to the upper surface of the roadway with the adhesive material providing a permanent adhesive seal between the marking tape and the roadway surface. Once attached to the roadway, the roadway marking system provides an audible, tactile and visual warning to a driver traveling on the roadway over the roadway marking system.
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3M ‘Application of Stamark™ Pre-Cut Symbols and Legends’ May, 2002 10 pages.
3M ‘Guidelines for Pavement Marking Applications in Grooved Pavement Surfaces’ Apr., 2002 8 pages.
Hartmann Gary S.
Homburg Randal D.
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