Patent
   D630233
Priority
Jul 16 2010
Filed
Jul 16 2010
Issued
Jan 04 2011
Expiry
Jan 04 2025
Assg.orig
Entity
unknown
8
14
n/a
The ornamental design for a directional boring bit, as shown and described.

FIG. 1 is a front top left perspective view of a directional boring bit;

FIG. 2 is a back top left perspective view thereof;

FIG. 3 is a front bottom left perspective view thereof;

FIG. 4 is a back bottom left perspective view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

Ford, Douglas R., Hoffman, III, Ben Edward

Patent Priority Assignee Title
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Patent Priority Assignee Title
2380112,
4187626, Feb 27 1978 ESCO Corporation Excavating tool having hard-facing elements
4763736, Jul 08 1987 VAREL INTERNATIONAL IND , L P Asymmetrical rotary cone bit
4832143, May 06 1987 CLEDISC INTERNATIONAL B V , JOHANNES VERMEERSTRAAT 18, 1071 DR AMSTERDAM, HOLLAND Rotary drilling device
4848486, Jun 19 1987 WATER DEVELOPMENT TECHNOLOGIES, INC Method and apparatus for transversely boring the earthen formation surrounding a well to increase the yield thereof
5628585, Apr 28 1995 EPI ENVIRONMENTAL TECHNOLOGIES INC Method and apparatus for removal of utility line and replacement with polyolefin pipe
5647448, Jan 11 1996 Drill bit having a plurality of teeth
5924500, May 21 1996 Tracto-Technik Paul Schmidt Spezialmaschinen Steerable boring machine
6167975, Apr 01 1999 ULTERRA DRILLING TECHNOLOGIES, LP FKA ROCKBIT INTERNATIONAL LP, SUCCESSOR BY MERGER TO PDC GEARHART INTERNATIONA, INC One cone rotary drill bit featuring enhanced grooves
6247544, Mar 06 1997 Vermeer Manufacturing Company Duckbill with cutting teeth
6308789, Oct 26 1999 Drill bit for directional drilling
6321858, Jan 28 2000 THE CHARLES MACHINE WORKS, INC Bit for directional drilling
6634444, Jan 30 2002 Sandvik Intellectual Property Aktiebolag Drill bit for trenchless drilling
D606569, Jul 07 2009 Directional boring bit
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