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:
Feb. 10, 1976
Filed:
May. 13, 1974
Applicant:
Inventors:
William J Donovan, Franklin, PA (US);
G Robert Frey, Franklin, PA (US);
Assignee:
Joy Manufacturing Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60N / ;
U.S. Cl.
CPC ...
296 68 ; 175219 ; 296 / ; 2961 / ; 296146 ; 297184 ; 297329 ; 299 12 ;
Abstract
An underground mining apparatus and more particularly an underground mining apparatus having improved protective canopy means extending partially thereover.