Stackable precast concrete stairwell unit
Description
Claims
The ornamental design of a stackable precast concrete stairwell unit, as shown and described.
Referenced Cited
Patent History
Patent number: D566298
Type: Grant
Filed: Feb 16, 2007
Date of Patent: Apr 8, 2008
Assignee: Miller-Valentine Construction LLC (Dayton, OH)
Inventors: Joseph A. Bornhorst (Dayton, OH), Vincent Combs (Kettering, OH), James J. Griffin (Dayton, OH), Benson T. Rhoads (Kettering, OH), David J. Settles (Springboro, OH)
Primary Examiner: Doris Clark
Attorney: Jacox, Meckstroth & Jenkins
Application Number: 29/272,786
Type: Grant
Filed: Feb 16, 2007
Date of Patent: Apr 8, 2008
Assignee: Miller-Valentine Construction LLC (Dayton, OH)
Inventors: Joseph A. Bornhorst (Dayton, OH), Vincent Combs (Kettering, OH), James J. Griffin (Dayton, OH), Benson T. Rhoads (Kettering, OH), David J. Settles (Springboro, OH)
Primary Examiner: Doris Clark
Attorney: Jacox, Meckstroth & Jenkins
Application Number: 29/272,786
Classifications
Current U.S. Class:
Stepped (12) (D25/63)