Patent
   D351804
Priority
Mar 18 1993
Filed
Mar 18 1993
Issued
Oct 25 1994
Expiry
Oct 25 2008
Assg.orig
Entity
unknown
3
6
n/a
The ornamental design for a stress:strain materials testing instrument, as shown.

FIG. 1 is a front elevation view of a stress:strain material testing instrument showing our new design;

FIGS. 2 and 3 are side elevation views thereof;

FIG. 4 is a sectional view, taken at 4--4 of FIG. 1 and enlarged;

FIG. 5 is a perspective view, slightly enlarged;

FIG. 6 is a bottom plan view;

FIG. 7 is a top plan view, slightly enlarged; and,

FIG. 8 is a back elevation view.

Lieblein, Joel, Scanlon, David W., Martin, Paulo A., Mahoney, III, Richard J., Mead, Graham E., Kellstedt, Jr., Charles W., Pulsifer, Ronald K.

Patent Priority Assignee Title
8776610, Oct 10 2012 Fluid Learning Uniquely Executed, LLC Apparatus for measuring failure load of model truss structures
D394015, May 28 1996 Illinois Tool Works Inc Hardness tester
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Patent Priority Assignee Title
3982572, Oct 31 1975 Manual log splitter
4196635, Dec 23 1977 Carl Schenck AG Test apparatus for the simultaneous loading of a test sample with longitudinal forces and with torque
4478086, Jan 07 1983 MTS Systems Corporation Load frame crosshead construction
163929,
201342,
D250514, Mar 14 1977 Coil spring test stand
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 18 1993Instron Corporation(assignment on the face of the patent)
Sep 29 1999Instron CorporationNational City BankSECURITY AGREEMENT0106180267 pdf
Sep 01 2006Instron CorporationIllinois Tool Works IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0186680141 pdf
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