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. 09, 2024
Filed:
Mar. 27, 2020
Applicant:
Esco Group Llc, Portland, OR (US);
Inventors:
Robin K. Churchill, Aloha, OR (US);
Michael B. Roska, Portland, OR (US);
Ulf Daniel Widlund, Portland, SE;
Assignee:
ESCO GROUP LLC, Portland, OR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/40 (2006.01); C21D 6/00 (2006.01); C21D 9/00 (2006.01); E02F 3/60 (2006.01);
U.S. Cl.
CPC ...
E02F 3/60 (2013.01); C21D 6/004 (2013.01); C21D 9/0068 (2013.01); E02F 3/40 (2013.01); C21D 2211/008 (2013.01);
Abstract
A cast lip for an excavating bucket composed of a ferrous alloy having at least seven percent chromium by weight, 3%-6% nickel by weight, and ≤0.12% carbon by weight, and a primarily martensitic structure.