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:
Jan. 18, 1977
Filed:
Dec. 01, 1975
Applicant:
Inventors:
Orrin A Stemler, East Peoria, IL (US);
Delwin E Cobb, Peoria, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
A01B / ;
U.S. Cl.
CPC ...
299 37 ; 37DI / ; 172 40 ; 173100 ;
Abstract
An earth working apparatus having a ripper for loosening earth and the like. An impact member is associated with the ripper to provide a cushioned transfer of impact force for improved earth working operation.