USD566298SActiveUtility

Stackable precast concrete stairwell unit

58
Assignee: MILLER VALENTINE CONSTRUCTIONPriority: Feb 16, 2007Filed: Feb 16, 2007Granted: Apr 8, 2008
Est. expiryFeb 16, 2027(~0.5 yrs left)· nominal 20-yr term from priority
Inventors:Joseph A. BornhorstVincent CombsJames J. GriffinBenson T. RhoadsDavid J. Settles
E04F 2011/0212E04F 11/02
58
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design of a stackable precast concrete stairwell unit, as shown and described.

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