Safety washer
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
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;
International Classification: 0808;