Changeable plugs system
Latest Helms-Man Industrial Co., Ltd. Patents:
Description
Claims
The ornamental design for a changeable plugs system, as shown.
Referenced Cited
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Patent History
Patent number: D556138
Type: Grant
Filed: Dec 4, 2006
Date of Patent: Nov 27, 2007
Assignee: Helms-Man Industrial Co., Ltd. (Hong Kong)
Inventor: Yuk Hung Ng (Kowloon)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Rosemary K. Tarcza
Attorney: Browdy and Neimark, PLLC
Application Number: 29/269,566
Type: Grant
Filed: Dec 4, 2006
Date of Patent: Nov 27, 2007
Assignee: Helms-Man Industrial Co., Ltd. (Hong Kong)
Inventor: Yuk Hung Ng (Kowloon)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Rosemary K. Tarcza
Attorney: Browdy and Neimark, PLLC
Application Number: 29/269,566
Classifications
Current U.S. Class:
Plug For Domestic Electric Service (i.e., 120v Or 220v Type) (11) (D13/138.1)