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Publication numberUSD622294 S1
Publication typeGrant
Application numberUS 29/352,117
Publication dateAug 24, 2010
Filing dateDec 16, 2009
Priority dateMay 16, 2008
Also published asCA2720872A1, CA2720872C, CN101999031A, EP2274500A2, US7921926, US20090283327, USD622293, USD622741, USD624564, WO2009140597A2, WO2009140597A3
Publication number29352117, 352117, US D622294 S1, US D622294S1, US-S1-D622294, USD622294 S1, USD622294S1
InventorsChristopher L Drenth, George Ibrahim, Sacha Tillack
Original AssigneeLongyear Tm, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Spearhead base
US D622294 S1
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; and,

FIG. 5 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, 2009 (6 pages).
3Notice of Allowance dated Apr. 29, 2010 from U.S. Appl. No. 29/352,055, filed Dec. 15, 2009 (15 pages).
4Notice of Allowance dated Feb. 22, 2010 from U.S. Appl. No. 29/352,049, filed Dec. 15, 2009 (13 pages).
5Notice of Allowance dated Feb. 22, 2010 from U.S. Appl. No. 29/352,049, filed Dec. 15, 2009 (14 pages).
6Notice of Allowance dated May 10, 2010 from U.S. Appl. No. 29/352,049, filed Dec. 15, 2009 (18 pages).
7Office Action dated Feb. 18, 2010 from U.S. Appl. No. 29/352,115, filed Dec. 16, 2009 (9 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
Classifications
U.S. ClassificationD15/21
Cooperative ClassificationE21B31/18
European ClassificationE21B31/18
Legal Events
DateCodeEventDescription
Jan 12, 2009ASAssignment
Owner name: RICOH COMPANY LIMITED, JAPAN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KARASAWA, SHINYA;FUJISHIRO, TAKATSUGU;TAWADA, TAKAAKI;AND OTHERS;REEL/FRAME:022091/0163;SIGNING DATES FROM 20090106 TO 20090107
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KARASAWA, SHINYA;FUJISHIRO, TAKATSUGU;TAWADA, TAKAAKI;AND OTHERS;SIGNING DATES FROM 20090106 TO 20090107;REEL/FRAME:022091/0163