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Publication numberUSD624564 S1
Publication typeGrant
Application numberUS 29/352,049
Publication dateSep 28, 2010
Filing dateDec 15, 2009
Priority dateMay 16, 2008
Also published asCA2720872A1, CA2720872C, CN101999031A, CN101999031B, EP2274500A2, US7921926, US20090283327, USD622293, USD622294, USD622741, WO2009140597A2, WO2009140597A3
Publication number29352049, 352049, US D624564 S1, US D624564S1, US-S1-D624564, USD624564 S1, USD624564S1
InventorsChristopher L Drenth, George Ibrahim, Sacha Tillack
Original AssigneeLongyear Tm, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Spearhead base
US D624564 S1
Abstract  available in
Images(3)
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Claims(1)
  1. The ornamental design for a spearhead base, as shown and described.
Description

FIG. 1 is a perspective view of a spearhead base showing our new design;

FIG. 2 is another perspective view of the spearhead base shown in FIG. 1;

FIG. 3 is a front elevational view of the spearhead base shown in FIG. 1, the rear view being identical thereto;

FIG. 4 is a right side elevational view of the spearhead base shown in FIG. 1, the left side view being identical thereto;

FIG. 5 is a top plan view of the spearhead base shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the spearhead base shown in FIG. 1.

The phantom, broken lines shown in the drawings form part of the design that is not claimed herein.

Non-Patent Citations
Reference
1International Search Report mailed Dec. 22, 2009 from PCT Application No. PCT/US2009/044147 (3 pages).
2Notice of Allowance dated Apr. 28, 2010 from U.S. Appl. No. 29/352,115, filed Dec. 16, 2006 (6 pages).
3Notice of Allowance dated Apr. 29, 2010 from U.S. Appl. No. 29/352,055, filed Dec. 15, 2006 (15 pages).
4Notice of Allowance dated Feb. 5, 2010 from U.S. Appl. No. 29/352,055 (13 pages).
5Notice of Allowance dated May 18, 2010 from U.S. Appl. No. 29/352,117, filed Dec. 16, 2006 (6 pages).
6Office Action dated Feb. 18, 2010 from U.S. Appl. No. 29/352,117 (15 pages).
7Office Action dated Feb.18, 2010 from U.S. Appl. No. 29/352,115 (12 pages).
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8051924Apr 26, 2011Nov 8, 2011Longyear Tm, Inc.Methods of braking core barrel assemblies
US8051925Apr 26, 2011Nov 8, 2011Longyear Tm, Inc.Core barrel assemblies with braking devices
US8333255Mar 3, 2008Dec 18, 2012Longyear Tm, Inc.High productivity core drilling system
US8485280Dec 14, 2010Jul 16, 2013Longyear Tm, Inc.Core drilling tools with retractably lockable driven latch mechanisms
US8794355Oct 6, 2010Aug 5, 2014Longyear Tm, Inc.Driven latch mechanism
US8869918Dec 15, 2010Oct 28, 2014Longyear Tm, Inc.Core drilling tools with external fluid pathways
Classifications
U.S. ClassificationD15/21
Cooperative ClassificationE21B31/18
European ClassificationE21B31/18