Patent
   D394015
Priority
May 28 1996
Filed
Mar 21 1997
Issued
May 05 1998
Expiry
May 05 2012
Assg.orig
Entity
unknown
13
4
n/a
The ornamental design for a hardness tester, as shown and described.

FIG. 1 is a perspective view of the hardness tester of this invention;

FIG. 2 is a front view of the hardness tester of this invention;

FIG. 3 is a left side view of the hardness tester of this invention;

FIG. 4 is a right side view of the hardness tester of this invention;

FIG. 5 is a top view of the hardness tester of this invention; and,

FIG. 6 is a bottom view of the hardness tester of this invention.

The rear view of the hardness tester of this invention does not form an ornamental aspect of the design of this hardness tester.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.

Kellstedt, Jr., Charles W., Lieblein, Joel M.

Patent Priority Assignee Title
6691564, Apr 23 2002 RAMS ROCKFORD PRODUCTS, INC Hardness tester
D691501, May 18 2012 MTS Systems Corporation Housing for a material testing machine
D704582, Aug 10 2012 Shimadzu Corporation Hardness tester
D728401, May 18 2012 MTS Systems Corporation Housing for a material testing machine
D763109, May 18 2012 MTS Systems Corporation Housing for a material testing machine
D796360, May 18 2012 MTS Systems Corporation Housing for a material testing machine
D847674, Jul 14 2017 Mitutoyo Corporation Hardness tester
D847675, Jul 14 2017 Mitutoyo Corporation Hardness tester
D847676, Jul 14 2017 Mitutoyo Corporation Hardness tester
D848867, Jul 14 2017 Mitutoyo Corporation Display device for hardness tester
D848882, Jul 14 2017 Mitutoyo Corporation Hardness tester
D848883, Jul 14 2017 Mitutoyo Corporation Hardness tester
D883106, Jan 04 2018 FLEXIGO, INC Endurance tester for flexible display
Patent Priority Assignee Title
5616857, Jan 25 1996 Illinois Tool Works Inc Penetration hardness tester
D250514, Mar 14 1977 Coil spring test stand
D283599, Aug 29 1983 King Tester Corporation Material hardness tester or similar article
D351804, Mar 18 1993 Illinois Tool Works Inc Stress:strain materials testing instrument
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 21 1997Instron Corporation(assignment on the face of the patent)
Apr 02 1997KELLSTEDT, CHARLES W JR Instron CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0085810872 pdf
Apr 02 1997LIEBLEIN, JOEL M Instron CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0085810872 pdf
Sep 29 1999Instron CorporationNational City BankSECURITY AGREEMENT0106180267 pdf
May 24 2004Instron CorporationGENERAL ELECTRIC CAPITAL CORPORATION, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0146620972 pdf
May 24 2004INSTRON STRUCTURAL TESTING SYSTEMS CORP GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0146620972 pdf
May 24 2004INSTRON JAPAN COMPANY, LTD GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0146620972 pdf
May 24 2004INSTRON ASIA LIMITEDGENERAL ELECTRIC CAPITAL CORPORATION, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0146620972 pdf
Sep 01 2006Instron CorporationIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0186680141 pdf
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