TREA

Step drill bit

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Information

  • Patent Grant
  • D936117
  • Patent Number
    D936,117
  • Date Filed
    Wednesday, November 20, 2019
    5 years ago
  • Date Issued
    Tuesday, November 16, 2021
    3 years ago
Information
Abstract
Description


FIG. 1 is a left side elevation view of a step drill bit embodying our new design;



FIG. 2 is a front elevation view thereof; and,



FIG. 3 is an enlarged top plan view thereof.


Portions of the step drill bit shown in broken lines 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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Entry
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Divisions (1)
Number Date Country
Parent 14297777 Jun 2014 US
Child 15668874 US
Continuations (2)
Number Date Country
Parent 16250175 Jan 2019 US
Child 29713951 US
Parent 15668874 Aug 2017 US
Child 16250175 US