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:
Nov. 20, 1979
Filed:
Oct. 03, 1977
Applicant:
Inventor:
Robert N Stedman, Chillicothe, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ; B62D / ;
U.S. Cl.
CPC ...
172292 ; 180 / ; 180-946 ;
Abstract
A material ripping vehicle includes first and second traction units, and a frame having an upright pivot axis for steerably connecting the traction units. The second traction unit has a pair of spaced apart ground engaging members and a ripping apparatus is mounted on the frame and positioned between the ground engaging members.