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Patent
D589335
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Priority
Aug 31 2007
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Filed
Feb 28 2008
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Issued
Mar 31 2009
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Expiry
Mar 31 2023
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Assg.orig
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Entity
unknown
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4
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14
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n/a
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The ornamental design for a rock bolt, as shown and described.
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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 |
| 3227031, |
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| 3358549, |
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| 3379019, |
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| 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, |
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| 20070292231, |
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| 20080038068, |
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| D336388, |
Apr 13 1990 |
|
Belt or belt buckle display rack |
| D354905, |
Oct 07 1992 |
Simpson Strong-Tie Company, Inc. |
Anchor bolt |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a