USD500862SExpiredUtility

Step riser

40
Assignee: ALLWOOD STILLWELL STAIRS & RAIPriority: Mar 26, 2004Filed: Mar 26, 2004Granted: Jan 11, 2005
Est. expiryMar 26, 2024(expired)· nominal 20-yr term from priority
Inventors:Richard J. WestbyKehinde Odunsi
40
PatentIndex Score
5
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a step riser, as shown and described.

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