Patent
   D557290
Priority
Oct 06 2006
Filed
Oct 06 2006
Issued
Dec 11 2007
Expiry
Dec 11 2021
Assg.orig
Entity
unknown
6
17
n/a
The ornamental design for a dry compaction bit for earth boring, as shown.

FIG. 1 is a front perspective view of the dry compaction bit for earth boring embodying my new design;

FIG. 2 is a top plan view of the dry compaction bit for earth boring as shown in FIG. 1;

FIG. 3 is a front view of the dry compaction bit for earth boring as shown in FIG. 1;

FIG. 4 is a rear view of the dry compaction bit for earth boring as shown in FIG. 1; and,

FIG. 5 is a bottom plan view of the dry compaction bit for earth boring as shown in FIG. 1.

Melegari, Douglas

Patent Priority Assignee Title
10676385, Feb 23 2015 UMICORE AG & CO KG Device for stirring molten gas
7861807, Dec 03 2008 Black & Decker Inc Drill bit including one piece cutting head
D732086, Nov 13 2012 NATIONAL OILWELL VARCO UK LIMITED Wireline roller device
D772304, Sep 24 2015 Sand plunger
D849070, Feb 22 2016 UMICORE AG & CO KG Stirrer
D918279, Feb 22 2016 UMICORE AG & CO. KG Stirrer
Patent Priority Assignee Title
2635856,
2673717,
2856157,
3269471,
3447616,
4051905, Mar 28 1974 Gerbruder Heller Drill for percussion drilling machines
4314616, Jan 28 1980 CLEVELAND TWIST DRILL COMPANY, THE Die-cast masonry drill with leading hard insert
4889200, Nov 03 1987 HAWERA Probst GmbH+Co. Rock drill
5390750, Sep 23 1991 The Charles Machine Works, Inc. Downhole compaction and stabilization back reamer and drill bit
5487434, Nov 12 1993 Hilti Aktiengesellschaft Rock drill with conveying groove
5553682, Jun 04 1994 Hilti Aktiengesellschaft Rock drill
6089337, Feb 22 1997 Hilti Aktiengesellschaft Drilling and/or chiseling tool
6129162, Jun 10 1997 Hilti Aktiengesellschaft Rock drill
6571890, Mar 27 2000 Hilti Aktiengesellschaft Twist drill
6868924, May 19 2000 Hawera Probst GmbH Rock drill
D531650, Apr 13 2005 High speed drill bit for mortar
23539,
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule