Step riser

Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment

Design Patent

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Details

Design Patent

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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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