Step drill bit

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Description

FIG. 1 is a first side view of a step drill bit embodying the invention.

FIG. 2 is a second side view of the step drill bit of FIG. 1.

FIG. 3 is a third side view of the step drill bit of FIG. 1; and,

FIG. 4 is a fourth side view of the step drill bit of FIG. 1.

The broken lines in the drawings depict portions of the step drill bit which form no part of the claimed design.

Claims

We claim the ornamental design for a step drill bit, as shown and described.

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Patent History
Patent number: D872783
Type: Grant
Filed: Apr 27, 2018
Date of Patent: Jan 14, 2020
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION (Brookfield, WI)
Inventors: Brett A. Parendo (Milwaukee, WI), Richard Hohnl, Jr. (Racine, WI), David Hlavac (Germantown, WI), Alexander R. Greenhill (Wauwatosa, WI), Ingolfur Ludviksson (Wauwatosa, WI)
Primary Examiner: Patricia A Palasik
Application Number: 29/645,681
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)