Patent
   D357485
Priority
Feb 24 1993
Filed
Aug 18 1993
Issued
Apr 18 1995
Expiry
Apr 18 2009
Assg.orig
Entity
unknown
28
17
n/a
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.

Strand, Goran, Mattsson, Michael, Brolund, Stig-Ake

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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 18 1993Sandvik AB(assignment on the face of the patent)
Sep 21 1993MATTSSON, MICHAELSandvik ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0067980341 pdf
Sep 21 1993STRAND, GORANSandvik ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0067980341 pdf
Sep 22 1993BROLUND, STIG-AKESandvik ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0067980341 pdf
May 16 2005Sandvik ABSANDVIK INTELLECTUAL PROPERTY HBASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162900628 pdf
Jun 30 2005SANDVIK INTELLECTUAL PROPERTY HBSandvik Intellectual Property AktiebolagASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166210366 pdf
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