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:
Dec. 14, 2010
Filed:
Dec. 28, 2004
Applicant:
Stephen John Kennedy, Ottawa, CA;
Inventor:
Stephen John Kennedy, Ottawa, CA;
Assignee:
Intelligent Engineering (Bahamas) Limited, Nassau, BS;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04F 11/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A riser is formed by a structural sandwich plate member in the run or tread portion but a simple steel plate in the rise portion. This riser is cheaper and simpler to manufacture than risers in which both the run and tread are formed by structural sandwich plate members.