Four prong plug
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Description
The broken lines shown represent unclaimed subject matter and form no part of the claimed design.
Claims
The ornamental design for a four prong plug, as shown and described.
Referenced Cited
Patent History
Patent number: D765032
Type: Grant
Filed: Jun 18, 2014
Date of Patent: Aug 30, 2016
Assignees: ZH Brothers International, Inc. (Granger, IN), Jiande Yonghua Electrical Equipment Co., Ltd. (Jiande)
Inventors: Guoqiang “Aston” Zhu (Mishawaka, IN), Wangguang Wu (Jiande)
Primary Examiner: Derrick Holland
Application Number: 29/494,159
Type: Grant
Filed: Jun 18, 2014
Date of Patent: Aug 30, 2016
Assignees: ZH Brothers International, Inc. (Granger, IN), Jiande Yonghua Electrical Equipment Co., Ltd. (Jiande)
Inventors: Guoqiang “Aston” Zhu (Mishawaka, IN), Wangguang Wu (Jiande)
Primary Examiner: Derrick Holland
Application Number: 29/494,159
Classifications
Current U.S. Class:
Plug For Domestic Electric Service (i.e., 120v Or 220v Type) (11) (D13/138.1)