Concrete step
Description
The structural features depicted by broken lines have been provided to illustrate portions of the concrete step that form no part of the claimed design.
Claims
I claim the ornamental design for concrete step, as shown and described.
Referenced Cited
Patent History
Patent number: D733932
Type: Grant
Filed: Sep 13, 2013
Date of Patent: Jul 7, 2015
Inventor: David William Classen (Manassas, VA)
Primary Examiner: Doris Clark
Application Number: 29/467,017
Type: Grant
Filed: Sep 13, 2013
Date of Patent: Jul 7, 2015
Inventor: David William Classen (Manassas, VA)
Primary Examiner: Doris Clark
Application Number: 29/467,017
Classifications
Current U.S. Class:
Stair Tread, Step Or Ladder Rung (D25/69)