| US D587,553 S | ||
| Utility knife | ||
| Richard Steven Constantine, Milford, Conn. (US); Michael E. Peterson, Fairfield, Conn. (US); Javier Verdura, Milford, Conn. (US); and Jonathan A. Lee, Hamden, Conn. (US) | ||
| Assigned to Acme United Corporation, Fairfield, Conn. (US) | ||
| Filed on Nov. 29, 2006, as Appl. No. 29/269,357. | ||
| Term of patent 14 Years | ||
| LOC (9) Cl. 08 - 03 | ||
| U.S. Cl. D 8—99 |

| The ornamental design for a utility knife, as shown and described. |