Patent
   D250514
Priority
Mar 14 1977
Filed
Mar 14 1977
Issued
Dec 12 1978
Expiry
Dec 12 1992
Assg.orig
Entity
unknown
6
3
n/a
The ornamental design for a coil spring test stand, as shown and described.

FIG. 1 is a front elevational view of a coil spring test stand showing my new design.

FIG. 2 is a right side elevational view thereof, the left side being substantially a mirror image thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a fragmentary rear elevational view of the gauge mount and cylinder fastening nut portion of the coil spring test stand of FIG. 1 on a reduced scale, the remainder of the rear being substantially a mirror image of the front.

Etchison, Richard C.

Patent Priority Assignee Title
D351804, Mar 18 1993 Illinois Tool Works Inc Stress:strain materials testing instrument
D394015, May 28 1996 Illinois Tool Works Inc Hardness tester
D691501, May 18 2012 MTS Systems Corporation Housing for a material testing machine
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
Patent Priority Assignee Title
3665758,
3808885,
3834228,
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