Stair step display
Description
Claims
The ornamental design for a stair step display, as shown.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D571577
Type: Grant
Filed: Jun 5, 2007
Date of Patent: Jun 24, 2008
Inventor: Anton Van Es (Beamsville, ON)
Primary Examiner: Caron D. Veynar
Assistant Examiner: Sydney R Buffalow
Application Number: 29/280,702
Type: Grant
Filed: Jun 5, 2007
Date of Patent: Jun 24, 2008
Inventor: Anton Van Es (Beamsville, ON)
Primary Examiner: Caron D. Veynar
Assistant Examiner: Sydney R Buffalow
Application Number: 29/280,702
Classifications
Current U.S. Class:
D6/460