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. 12, 1981
Filed:
Dec. 03, 1979
Applicant:
Inventor:
Robert J Deller, Buffalo Grove, IL (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44D / ; B32B / ;
U.S. Cl.
CPC ...
52177 ; 52578 ; 52595 ; 7225 / ; 72256 ; 428 53 ; 428141 ; 428156 ; 428167 ; 428179 ;
Abstract
An extruded treadway includes a plurality of interlocking panels having upper surfaces which include nonskid members of pyramidal shape disposed in rectilinear configuration.