Step riser

Details Step riser Step riser

2005-01-11

2005-01-11

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Design Patent

active

D0500860

CLAIM:
The ornamental design for a step riser, as shown and described.

REFERENCES:
patent: D424707 (2000-05-01), Shackelford
patent: 6230454 (2001-05-01), Meagher

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