Drill bit with tapered waterway

Description

FIG. 1 is a perspective view of a drill bit with tapered waterway;

FIG. 2 is another perspective view of the drill bit with tapered waterway shown in FIG. 1;

FIG. 3 is a top plan view of the drill bit with tapered waterway shown in FIG. 1;

FIG. 4 is rear elevational view of the drill bit with tapered waterway shown in FIG. 1;

FIG. 5 is a front elevational view of the drill bit with tapered waterway shown in FIG. 1;

FIG. 6 is a bottom plan view of the drill bit with tapered waterway shown in FIG. 1;

FIG. 7 is a left side elevational view of the drill bit with tapered waterway shown in FIG. 1; and,

FIG. 8 is a right side elevational view of the drill bit with tapered waterway shown in FIG. 1.

Claims

CLAIM The ornamental design for a drill bit with tapered waterway, as shown and described.

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Inventors:	Pearce; Cody A. (Midvale, UT), Rupp; Michael D. (Murray, UT), Lambert; Christian M. (Draper, UT)
Assignee:	Longyear TM, Inc. (South Jordan, UT)
Appl. No.:	D/354,579
Filed:	January 26, 2010

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	12638229	Dec 15, 2009
	12564779	Sep 22, 2009
	11610680	Dec 8, 2009	7628228

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Current U.S. Class:	D15/139
Current International Class:	1509
Field of Search:	;D8/70 ;D15/138,139,140 ;175/57,58,307,329,330,379,403,405.1,410,412 ;408/145,201,204,238,540,541,542,548

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References Cited [Referenced By]

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U.S. Patent Documents

2147843	February 1939	Jamar et al.
2495400	January 1950	Williams, Jr.
2966949	January 1961	Wepsala, Jr.
2969122	January 1961	Steffes
RE26669	September 1969	Henderson
3495359	February 1970	Smith
4128136	December 1978	Generoux
4190126	February 1980	Kabashima
4208154	June 1980	Gundy
4499959	February 1985	Grappendorf
4822757	April 1989	Sadamori
5025871	June 1991	Stewart
5069584	December 1991	Obermeier et al.
5316416	May 1994	Kim
5628376	May 1997	Kleine
5823276	October 1998	Beck, III
5836409	November 1998	Vail, III
5932508	August 1999	Armstrong et al.
6595844	July 2003	Mizuno et al.
7189036	March 2007	Watson
7628228	December 2009	Drivdahl et al.
7641004	January 2010	Lapointe
2005/0016775	January 2005	Hiranuma et al.
2007/0246266	October 2007	Larbo
2008/0142262	June 2008	Drivdahl et al.
2010/0006344	January 2010	Drivdahl
2010/0012385	January 2010	Drivdahl

Foreign Patent Documents

	200192677		Dec 2001		WO
	2006004494		Jan 2006		WO
	2006076795		Jul 2006		WO

Other References

Office Action dated Jul. 28, 2008 from U.S. Appl. No. 11/1610,680 (7 pages). cited by other . Office Action dated Mar. 18, 2009 from U.S. Appl. No. 11/610,680 (7 pages). cited by other . Office Action dated Jul. 7, 2009 from U.S. Appl. No. 11/610,680 (6 pages). cited by other . International Search Report mailed Aug. 1, 2008 from PCT Application No. PCT/US2007/087619 (2 pages). cited by other . Notice of Allowance dated Sep. 30, 2009 from U.S. Appl. No. 11/610,680 (1 page). cited by other . Boart Longyear, Alpha Bit, 2003 (1 page). cited by other . Office Action dated Feb. 25, 2010 from U.S. Appl. No. 12/564,779, filed Sep. 22, 2009 (19 pages). cited by other . Office Action dated Mar. 8, 2010 from U.S. Appl. No. 12/568,204, filed Sep. 28, 2009 (18 pages). cited by other . Issue Notification dated Nov. 18, 2009 from U.S. Appl. No. 11/610,680 filed Dec. 14, 2006 (1 page). cited by other . Office Action dated Apr. 26, 2010 from U.S. Appl. No. 12/564,540 filed Sep. 22, 2009 (7 pages). cited by other . Office Action dated Jun. 1, 2010 from U.S. Appl. No. 12/567,477, filed Sep. 25, 2009 (21 pages). cited by other . Office Action dated Jun. 3, 2010 from U.S. Appl. No. 12/568,231, filed Sep. 28, 2009 (17 pages). cited by other . Notice of Allowance dated Jul. 19, 2010 from U.S. Appl. No. 12/564,779, filed Sep. 22, 2009 (8 pages). cited by other.

Primary Examiner: Snapp; Sandra
Assistant Examiner: Palasik; Patricia
Attorney, Agent or Firm: Workman Nydegger