Engine piston
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Description
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.
Referenced Cited
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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
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)