USD409120SExpiredUtility

Stair chair

55
Assignee: FERNO WASHINGTONPriority: Apr 8, 1998Filed: Apr 8, 1998Granted: May 4, 1999
Est. expiryApr 8, 2018(expired)· nominal 20-yr term from priority
Inventors:Richard Andrew Aughpin
55
PatentIndex Score
14
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a stair chair, as shown.

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