Disc spring

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Description

FIG. 1 is a perspective view of a disc spring in accordance with my new design disclosed herein;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a disc spring, as shown and described.

Referenced Cited
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Patent History
Patent number: D692747
Type: Grant
Filed: Mar 13, 2013
Date of Patent: Nov 5, 2013
Inventor: Pierre P. Schwab (Port St. Lucie, FL)
Primary Examiner: Cynthia Underwood
Application Number: 29/448,728
Classifications
Current U.S. Class: D8/399