USD307186SExpiredUtility

Folding stage riser

76
Assignee: STAGERIGHT CORPPriority: Nov 6, 1987Filed: Nov 6, 1987Granted: Apr 10, 1990
Est. expiryNov 6, 2007(expired)· nominal 20-yr term from priority
Inventors:Orley David RogersKenneth Edward Staten
76
PatentIndex Score
15
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a folding stage riser, as shown.

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