Safety washer

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Description

FIG. 1 is a front perspective view of the safety washer showing my new design;

FIG. 2 is a front view of the safety washer of FIG. 1, the opposite rear view being identical;

FIG. 3 is a left side view of the safety washer of FIG. 1, the opposite right side view being identical;

FIG. 4 is a top plan view of the safety washer of FIG. 1; and,

FIG. 5 is a bottom plan view of the safety washer of FIG. 1.

Claims

The ornamental design for a safety washer, as shown and described.

Referenced Cited
U.S. Patent Documents
3422721 January 1969 Yonkers
3588133 June 1971 Caserta
3606357 September 1971 Yonkers
D269852 July 26, 1983 Frieberg
4788807 December 6, 1988 Whitman
5082412 January 21, 1992 Thomas
5199838 April 6, 1993 Luke et al.
5904459 May 18, 1999 Prathap et al.
D427549 July 4, 2000 White
6422796 July 23, 2002 Tomaini
Patent History
Patent number: D483660
Type: Grant
Filed: Sep 13, 2002
Date of Patent: Dec 16, 2003
Assignee: Wing Sun Metal Products Ltd. (Hong Kong)
Inventor: Chun Chor Cheng (Kwai Chung)
Primary Examiner: Doris V. Coles
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firm: Alix, Yale & Ristas, LLP
Application Number: 29/167,405
Classifications
Current U.S. Class: D8/399
International Classification: 0808;