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. 09, 1997
Filed:
Jun. 20, 1995
Applicant:
Inventors:
Michael A Calamari, Raleigh, NC (US);
Alan A Davidovich, Garner, NC (US);
Thomas L Howard, Chicago, IL (US);
David G Surridge, Knightdale, NC (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
296210 ; 280756 ;
Abstract
A non-metallic roof for a work machine includes a rotationally molded plastic structure which encloses and seals the top portion of an operator's station of the work machine. The roof includes grab rails and light sockets which are integrally molded into the structure. A plurality of metallic bars and cooperating threaded fasteners connect the roof to the operator's station. A closed cell foam material seals the juncture between the roof and the top portion of the operator's station.