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Patent
D574690
Priority
Aug 08 2007
Filed
Aug 08 2007
Issued
Aug 12 2008
Expiry
Aug 12 2022
Assg.orig
Entity
unknown
26
15
n/a
The ornamental design for a sledge hammer head , as shown and described.
FIG. 1 is a left perspective view of a sledge hammer head, showing my new design;
FIG. 2 is a right perspective view thereof;
FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image of the front elevational view;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a left perspective view thereof, shown in assembly with a handle, wherein the handle is shown in broken lines for illustrative purposes only and forms no part of the claimed design.
Chen, Yung-Shou
Patent
Priority
Assignee
Title
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Apr 25 2011
JPW INDUSTRIES INC
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CENTRIFUGE INDUSTRIAL CO , LTD
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D758820 ,
Sep 03 2013
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D770256 ,
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D772671 ,
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D779300 ,
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D826676 ,
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D833245 ,
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STANLEY BLACK & DECKER, INC
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D925669 ,
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D935296 ,
May 07 2020
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Tool head
RE48180 ,
Jun 24 2015
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RE48196 ,
Jun 24 2015
FISKARS FINLAND OY AB
Sledge hammer
Patent
Priority
Assignee
Title
3128131 ,
4683784 ,
Feb 22 1985
C C L SOUTH AFRICA PROPRIETARY LIMITED
Hammer
5248002 ,
Dec 02 1992
Ground rod installation method
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Jun 22 1994
Tool handle safety plate
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Dec 05 1977
Implement head
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Hammer implement head
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Wood splitting maul head
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Jan 21 1993
Mallet head
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LU KANG HAND TOOLS INDUSTRIAL CO , LTD
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Feb 08 2005
LU KANG HAND TOOLS INDUSTRIAL CO , LTD
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Feb 08 2005
LU KANG HAND TOOLS INDUSTRIAL CO , LTD
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D530582 ,
Sep 09 2005
Sledge hammer head
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Mar 09 2005
Hammer head
D546142 ,
Sep 16 2005
Kindling maul
D564323 ,
Mar 13 2006
Hammer-head
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