Earplug
Knauer , et al. July 6, 2
U.S. patent number D492,768 [Application Number D/183,155] was granted by the patent office on 2004-07-06 for earplug. This patent grant is currently assigned to Cabot Safety Intermediate Corporation. Invention is credited to Marianne B. Grisdale, Walter B. Herbst, Richard Knauer, Gary F. Prokop.
| United States Patent | D492,768 |
| Knauer , et al. | July 6, 2004 |
Earplug
Claims
The ornamental design for an earplug, as shown and described.
| Inventors: | Knauer; Richard (Carmel, IN), Herbst; Walter B. (Lake Forest, IL), Grisdale; Marianne B. (Chicago, IL), Prokop; Gary F. (Wheaton, IL) |
|---|---|
| Assignee: | Cabot Safety Intermediate
Corporation (Newark, DE) |
| Family ID: | 32592534 |
| Appl. No.: | D/183,155 |
| Filed: | June 5, 2003 |
| Current U.S. Class: | D24/106 |
| Current CPC Class: | A61F11/08 20130101 |
| Current International Class: | 2404 |
| Field of Search: | ;D24/106 ;181/130,129,135 ;128/864,865,866,867 |
References Cited [Referenced By]
U.S. Patent Documents
| D303014 | August 1989 | Gardner, Jr. et al. |
| D307325 | April 1990 | Gardner, Jr. |
| D307636 | May 1990 | Gardner, Jr. |
| D358463 | May 1995 | Falco |
| D371193 | June 1996 | Myers et al. |
| D405173 | February 1999 | Falco |
| D423664 | April 2000 | Falco |
| D437048 | January 2001 | Hirshfeld |
Attorney, Agent or Firm: Cantor Colburn LLP
Description
FIG. 1 is a perspective view of an earplug, showing our new design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof;
FIG. 3 is another side elevational view thereof, the opposite side being a mirror image thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a top plan view thereof.
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