Non-rotating drill bit for a down-the-hole drill hammer

Information

  • Patent Grant
  • D873316
  • Patent Number
    D873,316
  • Date Filed
    Wednesday, November 22, 2017
    7 years ago
  • Date Issued
    Tuesday, January 21, 2020
    5 years ago
  • Inventors
    • Lyon; Leland H. (Roanoke, VA, US)
  • Original Assignees
  • Examiners
    • Palasik; Patricia A
    Agents
    • Kim IP Law Group PLLC
  • US Classifications
    Field of Search
    • US
    • D15 130
    • D15 131
    • D15 139
    • D15 28
    • CPC
    • E21B10/46
    • E21B10/60
  • International Classifications
    • 1509
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a perspective view of a drill bit in accordance with the new design;



FIG. 2 is a bottom view of the drill bit of FIG. 1;



FIG. 3 is a back side elevation view of the drill bit of FIG. 1;



FIG. 4 is a front side elevation view of the drill bit of FIG. 1;



FIG. 5 is a right side elevation view of the drill bit of FIG. 1; and,



FIG. 6 is a left side elevation view of the drill bit of FIG. 1.


The broken lines of FIGS. 1-6 illustrate portions of the drill bit which form no part of the claimed design.


Claims
  • The ornamental design for a non-rotating drill bit for a down-the-hole drill hammer, as shown and described.
US Referenced Citations (14)
Number Name Date Kind
2262001 Hokanson Nov 1941 A
2381415 Williams Aug 1945 A
2786373 Patton Mar 1957 A
2830795 Center Apr 1958 A
2887989 Dulaney May 1959 A
4116289 Feenstra Sep 1978 A
4324300 Logan Apr 1982 A
4446929 Pillow May 1984 A
20040076483 Singh et al. Apr 2004 A1
20090184564 Brady Jul 2009 A1
20090321143 Lyon Dec 2009 A1
20100252330 Gilbert et al. Oct 2010 A1
20110240373 Lyon et al. Oct 2011 A1
20140131116 Lyon May 2014 A1
Continuation in Parts (1)
Number Date Country
Parent 14068121 Oct 2013 US
Child 29627070 US