Step drill bit

Information

  • Patent Grant
  • D892183
  • Patent Number
    D892,183
  • Date Filed
    Wednesday, March 4, 2020
    4 years ago
  • Date Issued
    Tuesday, August 4, 2020
    4 years ago
  • US Classifications
    Field of Search
    • US
    • 008 020000
    • 008 070000
    • 008 086000
    • 015 132000
    • 015 138000
    • 015 139000
    • 015 140000
    • CPC
    • B27G15/00
    • Y10T408/902
    • Y10T408/9097
    • Y10T408/90467
  • International Classifications
    • 1509
    • Term of Grant
      15Years
Abstract
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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Divisions (2)
Number Date Country
Parent 29715603 Dec 2019 US
Child 29726559 US
Parent 29645681 Apr 2018 US
Child 29715603 US