Patent
   D629027
Priority
Sep 23 2008
Filed
Mar 23 2009
Issued
Dec 14 2010
Expiry
Dec 14 2024
Assg.orig
Entity
unknown
6
9
n/a
The ornamental design for a rock drill, as shown and described.

FIG. 1 is a front view of a rock drill bearing the design, wherein the rock drill is a single piece extending continuously in a single axial direction from the bottom end to the tip portion, and wherein the single-piece rock drill is depicted in three parts side-by-side for illustrative purposes only, and to show details of the tip portion;

FIG. 2 is a cross-sectional view of the rock drill taken along line 22 in FIG. 1;

FIG. 3 is a right-side view of the rock drill, wherein the single-piece rock drill is depicted in three parts side-by-side for illustrative purposes only, and to show details of the tip portion;

FIG. 4 is a bottom view of the rock drill;

FIG. 5 is an enlarged top view of the rock drill;

FIG. 6 is an enlarged detail view of the tip portion of the rock drill shown in the circle labeled 6 in FIG. 3; and,

FIG. 7 is an enlarged detail view of the tip portion of the rock drill shown in the circle labeled 7 in FIG. 1.

The broken lines in FIGS. 5-7 are for illustrative purposes only and form no part of the claimed design.

Kersten, Heinrich, Frommeyer, Joerg, Elmers, Sven, Albers, Hermann

Patent Priority Assignee Title
D664167, Aug 02 2010 HELLER TOOLS GMBH Head portion of rock drill
D671155, Sep 30 2010 Diager Drill
D723076, Jan 25 2012 HELLER TOOLS GMBH Masonry drill bit
D724126, May 27 2014 Fraisa SA Drilling and milling device
D857772, Oct 26 2017 B+BTEC INTERNATIONAL BV Drilling tool
D877218, Sep 20 2018 Two-way milling cutter
Patent Priority Assignee Title
6959775, Mar 10 2000 Black & Decker Inc Drill bit
7225890, Aug 12 2003 Black & Decker Inc Cutting plate for a drill bit
20050092528,
20050126829,
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20080014048,
20080047759,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 23 2009Illinois Tool Works Inc.(assignment on the face of the patent)
Apr 24 2009FROMMEYER, JOERGIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226810158 pdf
May 07 2009KERSTEN, HEINRICHIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226810158 pdf
May 07 2009ELMERS, SVENIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226810158 pdf
May 07 2009ALBERS, HERMANNIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226810158 pdf
Apr 30 2014Illinois Tool Works IncITW HELLER GMBHASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0329580526 pdf
Jun 16 2014ITW HELLER GMBHHELLER TOOLS GMBHCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0338130028 pdf
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