Road surface clearing apparatus
Latest National Association for Stock Car Auto Racing, Inc. Patents:
The broken lines are directed to environment and are for illustrative purposes only. The broken lines form no part of any embodiment of the claimed design.
Claims
The ornamental design for a road surface clearing apparatus, as shown and described.
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Type: Grant
Filed: Feb 1, 2013
Date of Patent: Oct 13, 2015
Assignee: National Association for Stock Car Auto Racing, Inc. (Daytona Beach, FL)
Inventors: Donald E. Krueger (Stony Point, NC), Michael D. Horton (Concord, NC), John K. Sutton (Concord, NC)
Primary Examiner: Robin V Webster
Application Number: 29/444,700