| US D586,397 S | ||
| Ribbed eraser | ||
| Stuart David Farnworth, Westport, Conn. (US); and Jonathan A. Lee, Milford, Conn. (US) | ||
| Assigned to Acme United Corporation, Fairfield, Conn. (US) | ||
| Filed on Sep. 06, 2007, as Appl. No. 29/291,604. | ||
| Term of patent 14 Years | ||
| LOC (9) Cl. 19 - 06 | ||
| U.S. Cl. D19—53 |

| The ornamental design for a ribbed eraser, as shown and described. |