Safety washer
Cheng December 16, 2
U.S. patent number D483,660 [Application Number D/167,405] was granted by the patent office on 2003-12-16 for safety washer. This patent grant is currently assigned to Wing Sun Metal Products Ltd.. Invention is credited to Chun Chor Cheng.
| United States Patent | D483,660 |
| Cheng | December 16, 2003 |
Safety washer
Claims
The ornamental design for a safety washer, as shown and described.
| Inventors: | Cheng; Chun Chor (Kwai Chung, CN) |
|---|---|
| Assignee: | Wing Sun Metal Products Ltd.
(Hong Kong, CN) |
| Appl. No.: | D/167,405 |
| Filed: | September 13, 2002 |
| Current U.S. Class: | D8/399 |
| Current International Class: | 0808 |
| Field of Search: | ;D8/382,397,399 ;411/81,98,103,106,145,146,172,179,197,204,248,337,338,368,371.2,372.5,418,427 ;70/229 ;301/35.623,111.01 |
References Cited [Referenced By]
U.S. Patent Documents
| 3422721 | January 1969 | Yonkers |
| 3588133 | June 1971 | Caserta |
| 3606357 | September 1971 | Yonkers |
| D269852 | July 1983 | Frieberg |
| 4788807 | December 1988 | Whitman |
| 5082412 | January 1992 | Thomas |
| 5199838 | April 1993 | Luke et al. |
| 5904459 | May 1999 | Prathap et al. |
| D427549 | July 2000 | White |
| 6422796 | July 2002 | Tomaini |
Assistant Examiner: Nelson; T. Chase
Attorney, Agent or Firm: Alix, Yale & Ristas, LLP
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.
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