Patent
   D772315
Priority
Apr 11 2013
Filed
Oct 11 2013
Issued
Nov 22 2016
Expiry
Nov 22 2030
Assg.orig
Entity
unknown
11
35
n/a
The ornamental design for a chisel, as shown.

FIG. 1 is a perspective view of a first embodiment of a chisel;

FIG. 2 is a front elevation view of the chisel, as shown in FIG. 1;

FIG. 3 is a perspective view of a second embodiment of a chisel;

FIG. 4 is a front elevation view of the chisel, as shown in FIG. 3;

FIG. 5 is a perspective view of third embodiment of a chisel;

FIG. 6 is a front elevation view of the chisel, as shown in FIG. 5;

FIG. 7 is a perspective view of fourth embodiment of a chisel; and,

FIG. 8 is a front elevation view of the chisel, as shown in FIG. 7.

Friederichs, Heiko

Patent Priority Assignee Title
D808449, Mar 11 2016 Wirtgen GmbH Chisel
D819098, Sep 26 2013 Wirtgen GmbH Chisel
D824436, Sep 12 2016 Spiral tapered cutter bit for drill head
D841063, Apr 11 2013 BETEK GmbH & Co. KG Chisel
D863386, Jun 06 2018 Kennametal Inc.; KENNAMETAL INC Ribbed cutting insert
D918973, Aug 01 2018 BETEK GMBH & CO KG Milling tool
D927567, Aug 01 2018 BETEK GmbH & Co. KG Milling tool
D927568, Aug 01 2018 BETEK GmbH & Co. KG Milling tool
D927569, Aug 01 2018 BETEK GmbH & Co. KG Washer for a milling tool
D938999, Nov 15 2018 Caterpillar Inc. Cutting tool holder
D963718, Nov 15 2018 Caterpillar Inc. Cutting tool
Patent Priority Assignee Title
4547020, May 09 1983 KENNAMETAL PC INC Rotatable cutting bit
4981328, Aug 22 1989 KENNAMETAL INC Rotatable tool having a carbide insert with bumps
5141289, Jul 20 1988 KENNAMETAL PC INC Cemented carbide tip
5161859, Mar 23 1983 Santrade Limited Excavating tool cutting insert
5324098, Dec 17 1992 KENNAMETAL INC Cutting tool having hard tip with lobes
5702160, Feb 16 1995 Tool for crushing hard material
6086160, Nov 09 1908 Caterpillar Paving Products Inc Toolholder for milling drums of scarifying machines
6199956, Jan 28 1998 BETEK BERGBAU- UND HARTMETALLTECHNIK KAR-HEINZ-SIMON GMBH & CO KG Round-shank bit for a coal cutting machine
6354771, Dec 12 1998 ELEMENT SIX HOLDING GMBH Cutting or breaking tool as well as cutting insert for the latter
6375272, Mar 24 2000 Kennametal Inc.; Kennametal, Inc Rotatable cutting tool insert
6428111, May 14 1999 BETEK BERGBAU-UND HARTEMTALLTECHNIK KARL-HEINZ SIMON GMBH & CO KG Round-shaft cutter
6554369, Jul 12 2001 The Sollami Company Cutting tool with hardened insert
6685273, Feb 15 2000 The Sollami Company Streamlining bit assemblies for road milling, mining and trenching equipment
6733087, Aug 10 2002 Schlumberger Technology Corporation Pick for disintegrating natural and man-made materials
6866343, Dec 15 2001 Wirtgen GmbH Chisel holder changing system with chisel holder receivers
7597402, Jun 24 2004 Wirtgen GmbH Tool holder
7717523, Aug 22 2005 Sandvik Intellectual Property AB Rotary cutting pick
7963615, Nov 05 2008 Mining and demolition tool
7992945, Aug 11 2006 Schlumberger Technology Corporation Hollow pick shank
7997661, Aug 11 2006 Schlumberger Technology Corporation Tapered bore in a pick
8007050, Aug 11 2006 Schlumberger Technology Corporation Degradation assembly
8007051, Aug 11 2006 Schlumberger Technology Corporation Shank assembly
8020940, Nov 05 2008 Mining and demolition tool
8020941, Dec 11 2008 Keystone Engineering & Manufacturing Corporation Cutter bit insert removal system and method
8033615, Aug 11 2006 Schlumberger Technology Corporation Retention system
8099847, Jul 02 2007 Wirtgen GmbH Tool
8210618, Aug 23 2007 Sandvik Intellectual Property AB Reduced volume cutting tip and cutter bit assembly incorporating same
8292372, Dec 21 2007 Schlumberger Technology Corporation Retention for holder shank
8313153, Mar 24 2010 Kennametal Inc. Rotatable cutting tool and tool holder assembly
8562079, Jun 10 2009 Road planing tool
8636325, Nov 05 2008 Mining and demolition tool
8678517, Aug 23 2007 Sandvik Intellectual Property AB Reduced volume cutting tip and cutting bit incorporating same
8770669, Jul 05 2010 BOMAG GmbH Cutting tool configuration having wear disc
8783785, Sep 05 2008 Wirtgen GmbH Chisel holder having a weld as a wear protection element
8894155, Jan 09 2013 HENK ROLAND VAN MARUM Method for attaching a chisel and associated device
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 11 2013BETEK GmbH & Co. KG(assignment on the face of the patent)
Dec 05 2013FRIEDERICHS, HEIKOBETEK GMBH & CO KGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0320840629 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule