Architectural building slab
Description
Claims
The ornamental design for an architectural building slab, as shown and described.
Referenced Cited
Patent History
Patent number: D725298
Type: Grant
Filed: Mar 13, 2013
Date of Patent: Mar 24, 2015
Inventor: Hosein Niroumandrad (San Bruno, CA)
Primary Examiner: Doris Clark
Application Number: 29/442,481
Type: Grant
Filed: Mar 13, 2013
Date of Patent: Mar 24, 2015
Inventor: Hosein Niroumandrad (San Bruno, CA)
Primary Examiner: Doris Clark
Application Number: 29/442,481
Classifications