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Publication numberUSD551269 S1
Publication typeGrant
Application numberUS 29/263,458
Publication dateSep 18, 2007
Filing dateJul 24, 2006
Priority dateAug 23, 2004
Also published asUSD527233, USD588884, USD606820, USD634343, USD664574
Publication number263458, 29263458, US D551269 S1, US D551269S1, US-S1-D551269, USD551269 S1, USD551269S1
InventorsWilliam A. Burke, III
Original AssigneeIrwin Industrial Tool Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hole blade
US D551269 S1
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  1. The ornamental design for a hole blade, as shown and described.

FIG. 1 is a perspective view of a hole blade showing the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line in the figures show structure or boundaries that are not part of the claimed design. The cutting edge portion of the blade has been lined to indicate the color gold and the lower portion of the blade includes stippling to indicate the color white.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8573907Jan 13, 2010Nov 5, 2013Irwin Industrial Tool CompanyHole cutter with minimum tooth pitch to blade body thickness ratio
US20110170972 *Jan 13, 2010Jul 14, 2011Irwin Industrial Tool CompanyCoated hole cutter
U.S. ClassificationD15/139