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:
Jun. 30, 2020
Filed:
Jan. 17, 2019
Applicant:
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Inventors:
Douglas W. Allen, Oconomowoc, WI (US);
Courtney D. McCool, Menomonee Falls, WI (US);
Smith C. Theiler, Plymouth, WI (US);
Richard Hohnl, Jr., Racine, WI (US);
Assignee:
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/00 (2006.01); B23B 51/02 (2006.01);
U.S. Cl.
CPC ...
B23B 51/0081 (2013.01); B23B 51/009 (2013.01); B23B 51/02 (2013.01); B23B 51/00 (2013.01); B23B 2251/40 (2013.01); B23B 2251/50 (2013.01); B23B 2251/52 (2013.01); B23B 2270/36 (2013.01); Y10T 408/21 (2015.01); Y10T 408/906 (2015.01);
Abstract
A drill bit includes a shank and a body portion defining a plurality of axially stacked, progressively sized steps. The steps include a first step and a terminal step. The first step defines two tip flutes each disposed at a tip flute angle. The body portion defines a body flute extending through the steps. The drill bit also includes an indicator band formed on a portion of the body flute and a portion of an outer surface of one of the plurality of steps.