Wheel chock
Latest Portec Rail Products Inc. Patents:
Description
The broken line showing of the projecting member in
Claims
The ornamental design for a wheel chock, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D633850
Type: Grant
Filed: Jun 9, 2010
Date of Patent: Mar 8, 2011
Assignee: Portec Rail Products Inc. (Pittsburgh, PA)
Inventor: Andrew Morin (Mokena, IL)
Primary Examiner: Stacia Cadmus
Attorney: Schiff Hardin LLP
Application Number: 29/363,439
Type: Grant
Filed: Jun 9, 2010
Date of Patent: Mar 8, 2011
Assignee: Portec Rail Products Inc. (Pittsburgh, PA)
Inventor: Andrew Morin (Mokena, IL)
Primary Examiner: Stacia Cadmus
Attorney: Schiff Hardin LLP
Application Number: 29/363,439
Classifications
Current U.S. Class:
Wheel Chock Or Stop (D12/217)