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:
Apr. 22, 2003
Filed:
Sep. 05, 2002
Applicant:
Inventors:
Terry Lee Briscoe, Portland, OR (US);
Charles George Ollinger, IV, Aloha, OR (US);
Ermanno Simonutti, Milwaukie, OR (US);
Assignee:
Esco Corporation, Portland, OR (US);
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/48 ;
U.S. Cl.
CPC ...
E02F 3/48 ;
Abstract
A dragline apparatus has an independently controlled front hoist line and rear hoist line. The front hoist line is connected to the forward end of the bucket, and the rear hoist line is connected to the rearward end.