Drill bit

Information

  • Patent Grant
  • D656974
  • Patent Number
    D656,974
  • Date Filed
    Thursday, July 7, 2011
    13 years ago
  • Date Issued
    Tuesday, April 3, 2012
    12 years ago
  • US Classifications
    Field of Search
    • US
    • D08 86
    • D15 21
    • D15 131
    • D15 132
    • D15 138
    • D15 139
    • D15 140
    • 166 334500
    • 173 017000
    • 173 073000
    • 173 091000
    • 175 061000
    • 175 065000
    • 175 092000
    • 175 296000
    • 175 414-418
    • 175 420200
    • 175 425000
    • 175 426000
    • 175 432-434
  • International Classifications
    • 1509
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is an elevation view of a right side of a drill bit in accordance with the new design;



FIG. 2 is an elevation view of a left side of the drill bit;



FIG. 3 is a top plan view of the drill bit;



FIG. 4 is a top perspective view of the drill bit; and,



FIG. 5 is a bottom perspective view of the drill bit.


The broken lines in FIGS. 1-5, illustrate portions of the drill bit which form no part of the claimed design.


Claims
  • The ornamental design for a drill bit, as shown and described.
US Referenced Citations (53)
Number Name Date Kind
1815660 Walker Jul 1931 A
2379472 Bowman Jul 1945 A
2710740 Dempsey Jun 1955 A
3893521 Bailey et al. Jul 1975 A
3991834 Curington Nov 1976 A
4050525 Kita Sep 1977 A
4085809 Lovell et al. Apr 1978 A
4333537 Harris et al. Jun 1982 A
4530408 Toutant Jul 1985 A
4691779 McMahan et al. Sep 1987 A
4765418 Ennis Aug 1988 A
4819739 Fuller Apr 1989 A
4878550 Chuang Nov 1989 A
4919221 Pascale Apr 1990 A
5065827 Meyers et al. Nov 1991 A
5085284 Fu Feb 1992 A
5301761 Fu et al. Apr 1994 A
5305837 Johns et al. Apr 1994 A
5322136 Bui et al. Jun 1994 A
5322139 Rose et al. Jun 1994 A
5398772 Edlund Mar 1995 A
5794516 Wolfer et al. Aug 1998 A
5915483 Gien Jun 1999 A
5984021 Pascale Nov 1999 A
RE36848 Bui et al. Sep 2000 E
6125952 Beccu et al. Oct 2000 A
6131672 Beccu et al. Oct 2000 A
6135216 Lyon et al. Oct 2000 A
6170581 Lay Jan 2001 B1
6237704 Lay May 2001 B1
6263969 Stoesz et al. Jul 2001 B1
D454143 â„«sberg Mar 2002 S
6502650 Beccu Jan 2003 B1
6637520 Purcell Oct 2003 B1
6708784 Borg Mar 2004 B1
7017682 Chan et al. Mar 2006 B2
7117939 Hawley et al. Oct 2006 B1
7159676 Lyon Jan 2007 B2
7163058 Bakke et al. Jan 2007 B2
7198120 Gien Apr 2007 B2
7389833 Walker et al. Jun 2008 B2
7467675 Lay Dec 2008 B2
7617889 Beccu Nov 2009 B2
20030102167 Pascale et al. Jun 2003 A1
20040188146 Egerstrom Sep 2004 A1
20060225885 McGarian et al. Oct 2006 A1
20060249309 Cruz Nov 2006 A1
20070039761 Cruz Feb 2007 A1
20080087473 Hall et al. Apr 2008 A1
20080156539 Ziegenfuss Jul 2008 A1
20100059284 Lyon et al. Mar 2010 A1
20100089649 Welch et al. Apr 2010 A1
20100243333 Purcell Sep 2010 A1
Foreign Referenced Citations (4)
Number Date Country
1910640 Apr 2008 EP
2007010513 Jan 2007 WO
2007077547 Jul 2007 WO
2009124051 Oct 2009 WO
Continuation in Parts (3)
Number Date Country
Parent 12621155 Nov 2009 US
Child 29396799 US
Parent 12361263 Jan 2009 US
Child 12621155 US
Parent PCT/US09/38957 Mar 2009 US
Child 12361263 US