Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD622293 S1
Publication typeGrant
Application numberUS 29/352,055
Publication dateAug 24, 2010
Filing dateDec 15, 2009
Priority dateMay 16, 2008
Also published asCA2720872A1, CA2720872C, CN101999031A, CN101999031B, EP2274500A2, EP2274500A4, US7921926, US20090283327, USD622294, USD622741, USD624564, WO2009140597A2, WO2009140597A3
Publication number29352055, 352055, US D622293 S1, US D622293S1, US-S1-D622293, USD622293 S1, USD622293S1
InventorsChristopher L Drenth, George Ibrahim, Sacha Tillack
Original AssigneeLongyear Tm, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Spearhead
US D622293 S1
Abstract  available in
Images(3)
Previous page
Next page
Claims(1)
  1. The ornamental design for a spearhead, as shown and described.
Description

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

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

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

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

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

FIG. 6 is a bottom plan view of the spearhead 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 fron 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, 2009 (6 pages).
3Notice of Allowance dated Feb. 22, 2010 from U.S. Appl. No. 29/352,049 (14 pages).
4Notice of Allowance dated May 10, 2010 from U.S. Appl. No. 29/352,049, filed Dec. 15, 2009 (18 pages).
5Notice of Allowance dated May 18, 2010 from U.S. Appl. No. 29/352,117, filed Dec. 16, 2009 (6 pages).
6Office Action dated Feb. 18, 2010 from U.S. Appl. No. 29/352,115 (12 pages).
7Office Action dated Feb. 18, 2010 from U.S. Appl. No. 29/352,117 (15 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
US9234398Jul 16, 2013Jan 12, 2016Longyear Tm, Inc.Core drilling tools with retractably lockable driven latch mechanisms
US9328608Jul 25, 2014May 3, 2016Longyear Tm, Inc.Driven latch mechanism
US9359847Dec 17, 2012Jun 7, 2016Longyear Tm, Inc.High productivity core drilling system
US9399898Feb 28, 2014Jul 26, 2016Longyear Tm, Inc.Core drilling tools with retractably lockable driven latch mechanisms
US9528337Mar 14, 2013Dec 27, 2016Longyear Tm, Inc.Up-hole bushing and core barrel head assembly comprising same
US9689222Sep 29, 2014Jun 27, 2017Longyear Tm, Inc.Core drilling tools with external fluid pathways
US20100012383 *Mar 3, 2008Jan 21, 2010Longyear Tm, Inc.High productivity core drilling system
US20110079435 *Oct 6, 2010Apr 7, 2011Longyear Tm, Inc.Driven latch mechanism
US20110079436 *Dec 14, 2010Apr 7, 2011Longyear Tm, Inc.Core drilling tools with retractably lockable driven latch mechanisms
US20110083901 *Dec 15, 2010Apr 14, 2011Longyear Tm, Inc.Core drilling tools with external fluid pathways
US20110198127 *Apr 26, 2011Aug 18, 2011Longyear Tm, Inc.Methods of braking core barrel assemblies
US20110198131 *Apr 26, 2011Aug 18, 2011Longyear Tm, Inc.Core barrel assemblies with braking devices
Classifications
U.S. ClassificationD15/21
Cooperative ClassificationE21B25/00, E21B17/023, E21B31/18
European ClassificationE21B31/18