Patent
   D816456
Priority
Apr 27 2016
Filed
Jan 13 2017
Issued
May 01 2018
Expiry
May 01 2033
Assg.orig
Entity
unknown
0
14
n/a
The ornamental design for a gut hook bladed pipe slitter, as shown and described.

FIG. 1 is a left side view of our design, the right side being a mirror image;

FIG. 2 is a top view thereof, the bottom being a mirror image;

FIG. 3 is a front top left perspective view thereof;

FIG. 4 is a front left perspective view thereof;

FIG. 5 is a front top left perspective view thereof; and,

FIG. 6 is a front view thereof.

The broken lines depict portions of the gut hook blade pipe slitter in which the design is embodied that are not considered part of the claimed design.

Crane, Robert F., Randa, Mark D., Thompson, Walter George

Patent Priority Assignee Title
Patent Priority Assignee Title
4732222, Sep 24 1985 Tracto-Technik Paul Schmidt Maschinenfabrik GmbH Ram boring machine with impact blade piston
5076731, Mar 30 1989 Diga Die Gasheizung GmbH Apparatus for bursting an existing pipe and widening the bore thereof
5544977, Jun 24 1994 Atmos Energy Corporation Polymeric pipe splitter, replacement tool and method
6382877, Oct 29 1998 BALFOUR BEATTY UTILITIES LIMITED Method of installing replacement pipe and apparatus therefor
6896077, Nov 04 2002 The Charles Machines Works, Inc. Rotary driven pipe-bursting tool
7578636, Aug 09 2005 TT TECHNOLOGIES, INC Method and device for pipe splitting
9512951, Oct 08 2013 THE CHARLES MACHINE WORKS, INC Pipe slitting apparatus
9566653, Oct 08 2013 THE CHARLES MACHINE WORKS, INC Pipe slitter
9631763, Oct 05 2009 TT Technologies, Inc. Pipe splitting apparatus with cable engagement system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 13 2017Earth Tool Company LLC(assignment on the face of the patent)
Dec 17 2019Earth Tool Company, LLCTHE CHARLES MACHINE WORKS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0513440463 pdf
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