Engine piston

- Caterpillar Inc.
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Description

FIG. 1 is an isometric view of a first engine piston.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a front view thereof, which is the same as a rear view thereof; and,

FIG. 5 is a right side view thereof, which is the same as a left side view thereof.

The broken lines are for purposes of illustrating portions of the engine piston that form no part of the claimed design.

Claims

The ornamental design for an engine piston, as shown and described.

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Patent History
Patent number: D737861
Type: Grant
Filed: Oct 30, 2009
Date of Patent: Sep 1, 2015
Assignee: Caterpillar Inc. (Peoria, IL)
Inventors: Jie He (Aurora, IL), Jeffrey Paul Buening (Dunlap, IL)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/346,462
Classifications
Current U.S. Class: Element Or Attachment (D15/5)