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Publication numberUSD357485 S
Publication typeGrant
Application numberUS 29/011,880
Publication dateApr 18, 1995
Filing dateAug 18, 1993
Priority dateFeb 24, 1993
Publication number011880, 29011880, US D357485 S, US D357485S, US-S-D357485, USD357485 S, USD357485S
InventorsMichael Mattsson, Goran Strand, Stig-Ake Brolund
Original AssigneeSandvik Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Insert for rock drilling bits
US D357485 S
Abstract  available in
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  1. The ornamental design for insert for rock drilling bits, as shown and described.

FIG. 1 is a bottom view of an insert for rock drilling bits showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof; and,

FIG. 4 is a top view thereof showing the cutting tip.

The other two sides are not shown as they are identical to the right and left sides as shown.

Non-Patent Citations
1Certificate of Correction for U.S. Pat. No. 4,776,413.
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US20050257963 *May 20, 2004Nov 24, 2005Joseph TuckerSelf-Aligning Insert for Drill Bits
US20080035387 *Sep 26, 2007Feb 14, 2008Hall David RDownhole Drill Bit
US20090133938 *Feb 6, 2009May 28, 2009Hall David RThermally Stable Pointed Diamond with Increased Impact Resistance
US20090273224 *Apr 30, 2008Nov 5, 2009Hall David RLayered polycrystalline diamond
US20090294182 *Aug 6, 2009Dec 3, 2009Hall David RDegradation Assembly
U.S. ClassificationD15/139