Drill bit

Information

  • Patent Grant
  • D872144
  • Patent Number
    D872,144
  • Date Filed
    Tuesday, June 12, 2018
    6 years ago
  • Date Issued
    Tuesday, January 7, 2020
    4 years ago
  • US Classifications
    Field of Search
    • US
    • D08 20
    • D08 70
    • D08 98- 99
    • D15 127
    • D15 133
    • D15 139
    • D15 140
    • CPC
    • B23B51/02
    • B23B2251/18
    • B23B2251/241
    • B23B2251/404
    • Y10T408/04
    • Y10T408/78
    • Y10T408/89
    • Y10T408/909
    • Y10T408/9095
    • Y10T408/9097
  • International Classifications
    • 1509
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a top, front, left side perspective view of one embodiment of a drill bit showing our new design;



FIG. 2 is a left side view thereof;



FIG. 3 is a top view thereof;



FIG. 4 is a right side view thereof;



FIG. 5 is a bottom view thereof;



FIG. 6 is a front view thereof;



FIG. 7 is a rear view thereof;



FIG. 8 is an enlarged, sectioned portion highlighted in FIG. 1;



FIG. 9 is an enlarged, sectioned portion highlighted in FIG. 2;



FIG. 10 is a top view of the enlarged, sectioned portions of FIGS. 8 and 9;



FIG. 11 is a right side view of the enlarged, sectioned portions of FIGS. 8 and 9;



FIG. 12 is a bottom view of the enlarged, sectioned portions of FIGS. 8 and 9;



FIG. 13 is a front view of the enlarged, sectioned portions of FIGS. 8 and 9; and,



FIG. 14 is a rear view of the enlarged, sectioned portions of FIGS. 8 and 9.


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


Claims
  • The ornamental design for a drill bit, as shown and described.
US Referenced Citations (20)
Number Name Date Kind
20192 Claark May 1858 A
124089 Shepardson Feb 1872 A
2627292 Konstantin Feb 1953 A
2782824 Robinson Feb 1957 A
3997279 Porter Dec 1976 A
D372485 Stone Aug 1996 S
5697738 Stone Dec 1997 A
D394663 Stone May 1998 S
D408424 Schmotzer Apr 1999 S
D504446 Kobayashi Apr 2005 S
D507585 Held Jul 2005 S
D544892 Watson Jun 2007 S
D580462 Liao Nov 2008 S
7473056 Durfee Jan 2009 B2
D585920 Liao Feb 2009 S
D608801 Evatt Jan 2010 S
D608802 Ibarra Jan 2010 S
D627805 Dost Nov 2010 S
20030035694 Liao Feb 2003 A1
20070172325 Ebert Jul 2007 A1