Earplug
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Description
FIG. 1 is a perspective view, showing the new design for an earplug.
FIG. 2 is a top view thereof.
FIG. 3 is a side view thereof. All other side views look the same as FIG. 3; and,
FIG. 4 is a bottom view thereof, sectioned through the earplug at the point where the broken line showing begins.
The broken line showing forms no part of the design. The shading that is shown in the drawings is used only to illustrate contour; it is not indicative of texture, etc.
Claims
The ornamental design for an earplug, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D242743 | December 14, 1976 | Leight |
| D340282 | October 12, 1993 | Leight |
| D358463 | May 16, 1995 | Falco |
| D371193 | June 25, 1996 | Myers et al. |
| 2446707 | August 1948 | Leight |
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| 2538339 | January 1951 | Thomas |
| 2804072 | August 1957 | Genzer |
| 3811437 | May 1974 | Gardner, Jr. |
| 4094315 | June 13, 1978 | Leight |
| 4490857 | January 1, 1985 | Leight et al. |
| 4671265 | June 9, 1987 | Andersson |
| 4819624 | April 11, 1989 | Leight et al. |
| 5044463 | September 3, 1991 | Carr |
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| 5781272 | July 14, 1998 | Bright et al. |
| 5811742 | September 22, 1998 | Leight |
| 6129175 | October 10, 2000 | Tutor et al. |
| 10314213 | February 1998 | JP |
- U.S. application No. 09/608,911 to Remer et al. filed Jun. 30, 2000, for Articulating Earplug.
- U.S. Design application No. 29/132,306 to Remer et al. filed Nov. 6, 2000, for Earplug.
Patent History
Patent number: D445894
Type: Grant
Filed: Nov 6, 2000
Date of Patent: Jul 31, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Dean M. Remer (Woodbury, MN), Paul A. Martinson (Maplewood, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Michaele A. Hakamaki
Application Number: 29/132,307
Type: Grant
Filed: Nov 6, 2000
Date of Patent: Jul 31, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Dean M. Remer (Woodbury, MN), Paul A. Martinson (Maplewood, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Michaele A. Hakamaki
Application Number: 29/132,307
Classifications
