Step drill bit
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Description
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.
Referenced Cited
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Patent History
Patent number: D892183
Type: Grant
Filed: Mar 4, 2020
Date of Patent: Aug 4, 2020
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION (Brookfield, WI)
Inventors: Brett A. Parendo (Arvada, WI), Richard Hohnl, Jr. (Racine, WI), David Hlavac (Germantown, WI), Alexander R. Greenhill (St. Louis, MO), Ingolfur Ludviksson (Wauwatosa, WI)
Primary Examiner: Patricia A Palasik
Application Number: 29/726,559
Type: Grant
Filed: Mar 4, 2020
Date of Patent: Aug 4, 2020
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION (Brookfield, WI)
Inventors: Brett A. Parendo (Arvada, WI), Richard Hohnl, Jr. (Racine, WI), David Hlavac (Germantown, WI), Alexander R. Greenhill (St. Louis, MO), Ingolfur Ludviksson (Wauwatosa, WI)
Primary Examiner: Patricia A Palasik
Application Number: 29/726,559
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)