USD589630SActiveUtility

Portable stair

47
Assignee: HENSON BLAKE DPriority: Sep 10, 2007Filed: Sep 10, 2007Granted: Mar 31, 2009
Est. expirySep 10, 2027(~1.2 yrs left)· nominal 20-yr term from priority
Inventors:Blake D. HensonTim ScottJames D. Thompson
47
PatentIndex Score
9
Cited by
13
References
1
Claims

Claims

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

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