Changeable plugs system

Ng May 22, 2

Patent Grant D543147

U.S. patent number D543,147 [Application Number D/201,213] was granted by the patent office on 2007-05-22 for changeable plugs system. This patent grant is currently assigned to Helms-Man Industrial Co., Ltd.. Invention is credited to Yuk Hung Ng.


United States Patent D543,147
Ng May 22, 2007

Changeable plugs system

Claims

CLAIM The ornamental design for a changeable plugs system, as shown.
Inventors: Ng; Yuk Hung (Kowloon, HK)
Assignee: Helms-Man Industrial Co., Ltd. (Hong Kong, CN)
Appl. No.: D/201,213
Filed: March 12, 2004

Foreign Application Priority Data

Sep 12, 2003 [EM] 000 077 516
Current U.S. Class: D13/138.1
Current International Class: 1303
Field of Search: ;D3/108,110,137.1-137.4,138.1,138.2,133,154 ;439/171-172,140,160,164,135-138,446,131,606,105,106,11,13,31 ;337/197-198 ;174/53-58

References Cited [Referenced By]

U.S. Patent Documents
D155472 October 1949 BecVar et al.
D305326 January 1990 Clayton, Jr.
5613863 March 1997 Klaus et al.
D408786 April 1999 Goto
5998964 December 1999 Martensson
6109977 August 2000 Baxter et al.
D432497 October 2000 Totsuka et al.
6227888 May 2001 Hahn
6261109 July 2001 Liu et al.
D474744 May 2003 Wu
D481674 November 2003 Sade et al.
6669495 December 2003 Philips et al.
D494138 August 2004 Adams et al.
6790093 September 2004 Tanaka et al.
D517985 March 2006 Hirabayashi et al.
Primary Examiner: Douglas; Alan P.
Assistant Examiner: Tarcza; Rosemary K.
Attorney, Agent or Firm: Browdy and Neimark, PLLC

Description



FIG. 1 is a front perspective view of a fifth embodiment of a changeable plugs system in accordance with the present design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a front elevational view thereof.

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