Ground spring

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Description

FIG. 1 is a perspective view of a ground spring showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a ground spring, as shown and described.

Referenced Cited
U.S. Patent Documents
3944809 March 16, 1976 Moore et al.
D272719 February 21, 1984 Skjaeveland
4474394 October 2, 1984 Crepinsek
D285270 August 26, 1986 Hannah et al.
D296186 June 14, 1988 Korn
D327214 June 23, 1992 Stuart
D364332 November 21, 1995 Sachs
D376747 December 24, 1996 Jackson
D486791 February 17, 2004 Franks, Jr.
6857672 February 22, 2005 Drew, II
D522452 June 6, 2006 Sugimoto
7232195 June 19, 2007 Yang
20060196143 September 7, 2006 Roesset et al.
Patent History
Patent number: D632158
Type: Grant
Filed: Mar 31, 2010
Date of Patent: Feb 8, 2011
Assignee: Cheng Uei Precision Industry Co., Ltd. (Tu-Cheng, Taipei Hsien)
Inventors: Bing-Tao Yang (Guang-Dong), Yin-Lung Wu (Tu-Cheng), Ming-Chiang Chen (Tu-Cheng)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Cheng-Ju Chiang
Application Number: 29/358,786
Classifications
Current U.S. Class: D8/349; Element Or Attachment (D13/118)