Patent
   D589335
Priority
Aug 31 2007
Filed
Feb 28 2008
Issued
Mar 31 2009
Expiry
Mar 31 2023
Assg.orig
Entity
unknown
4
14
n/a
The ornamental design for a rock bolt, as shown and described.

FIG. 1 is a perspective view of the rock bolt according to the present invention, shown broken away to indicate an indeterminate length.

FIG. 2 is a top plan view of the rock bolt of FIG. 1 according to the present invention; and,

FIG. 3 is a perspective view of a portion of the rock bolt according to the present invention.

Weaver, Steven, Horsch, John

Patent Priority Assignee Title
D669772, Apr 05 2011 DSI UNDERGROUND IP HOLDINGS LUXEMBOURG S A R L Coated mine roof bolt
D678757, Jul 25 2011 Sumitomo Forestry Co., Ltd. Screw bolt
D888597, Jun 14 2018 Richemont International SA Jewelry article
D922864, Mar 14 2019 EPIROC DRILLING TOOLS AB Resin anchored rock bolt
Patent Priority Assignee Title
3227031,
3358549,
3379019,
4100748, Jan 07 1977 Stratabolt Corporation Mine roof or rock bolt expansion anchor of the bail type
4619559, Dec 09 1980 The Titan Manufacturing Co. Pty. Ltd. Rock bolting
5775850, Aug 12 1993 BROKEN HILL PROPRIETARY COMPANY LIMITED, THE Rock bolt
6984091, Sep 06 2001 GAROCK PTY LTD Yielding rock bolt
7318689, May 12 2003 Epiroc Rock Drills Aktiebolag Method and device for rock bolting
7445406, Feb 25 2002 STEFFEN, ROBERTSON & KIRSTEN SOUTH AFRICA PTY LTD ; WILLIAM DAVID ORTLEPP C O SRK HOUSE Rock bolt
20070269274,
20070292231,
20080038068,
D336388, Apr 13 1990 Belt or belt buckle display rack
D354905, Oct 07 1992 Simpson Strong-Tie Company, Inc. Anchor bolt
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 2008Sandvik Intellectual Property AB(assignment on the face of the patent)
Apr 09 2008HORSCH, JOHNSandvik Intellectual Property ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0209750348 pdf
Apr 09 2008WEAVER, STEVENSandvik Intellectual Property ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0209750348 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule