The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2015
Filed:
Dec. 02, 2014
William Gardner, Salem, OR (US);
William Gardner, Salem, OR (US);
Other;
Abstract
The present disclosure concerns embodiments of a stair tread which can be installed on a staircase. The stair tread has a metal core at least partially covered with high-strength concrete. In an exemplary embodiment, the core portion has first and second horizontally extending metal plates that are spaced apart vertically from each other, and a grid of vertically extending metal support walls positioned between the first and second metal plates. The core portion can also include retention elements extending upwardly from and distributed across the top of the upper plate for securing the concrete covering to the core.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile