Earplug
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Description
FIG. 1 illustrates an isometric view of the design for the earplug.
FIG. 2 illustrates a side view thereof, all other side views displaying the same image thereof.
FIG. 3 illustrates a bottom view thereof; and,
FIG. 4 illustrates a top view thereof.
The broken lines shown in the drawing are only provided to illustrate the environment of the design.
Claims
The ornamental design for an earplug, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D436164
Type: Grant
Filed: Sep 17, 1999
Date of Patent: Jan 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Floyd L. Foslien (Hudson, WI)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Karl G. Hanson
Application Number: 29/110,963
Type: Grant
Filed: Sep 17, 1999
Date of Patent: Jan 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Floyd L. Foslien (Hudson, WI)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Karl G. Hanson
Application Number: 29/110,963
Classifications