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:
May. 22, 2001
Filed:
Dec. 30, 1998
Ernest Craig Abney, Deltona, FL (US);
Don Albert Neifer, Granville, OH (US);
Dennis K. Wenrick, Santa Rosa Beach, FL (US);
Clinton Alan Plant, San Antonio, TX (US);
Owens Corning Fiberglas Technology, Inc., Summit, IL (US);
Abstract
A guardrail assembly movable along a roof structure is disclosed. The guardrail assembly is used in cooperation with a roof structure having a plurality of purlins spaced apart from one another in a parallel arrangement and sheets of roofing material fastened to the purlins. The sheets have ends which define an edge of the roof structure extending in a first direction. The guardrail assembly is movable along the roof structure in the first direction. The guardrail assembly includes a railing positioned above the sheets of roofing material and extends generally in the first direction.