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The ornamental design for an earplug, as shown and described.
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FIG. 1 is a top, side perspective view of an earplug, showing my new design;
FIG. 2 is a bottom, side perspective view thereof;
FIG. 3 is a 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.
| Patent | Priority | Assignee | Title |
| 4774938, | Apr 09 1987 | SPERIAN HEARING PROTECTION, LLC DELAWARE LIMITED LIABILITY COMPANY | Slow recovery earplug with largely impenetrable surface |
| 5044463, | Nov 30 1989 | Cabot Safety Intermediate Corporation | Molded foam earplug and method for making same |
| 5668354, | Nov 02 1995 | Cabot Safety Intermediate Corporation | Earplug assembly and eyewear assembly |
| 5809574, | Aug 15 1996 | 3M Innovative Properties Company | Hearing protection device |
| D307325, | Nov 05 1987 | Cabot Safety Intermediate Corporation | Earplug or similar article |
| D307635, | Nov 05 1987 | Cabot Safety Intermediate Corporation | Earplug or similar article |
| D307636, | Nov 05 1987 | Cabot Safety Intermediate Corporation | Earplug or similar article |
| D423664, | Jun 14 1996 | 3M Innovative Properties Company | Earplug |
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| Apr 11 2002 | Cabot Safety Intermediate Corporation | (assignment on the face of the patent) | / | |||
| Aug 22 2002 | KNAUER, RICHARD | Cabot Safety Intermediate Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013273 | /0236 | |
| Aug 22 2002 | DOTY, MARC | Cabot Safety Intermediate Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013273 | /0236 | |
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| Apr 01 2008 | BANK OF AMERICA, N A | Cabot Safety Intermediate Corporation | RELEASE OF FIRST LIEN SECURITY INTEREST FILED AT REEL FRAME NO 19520 0001 | 020828 | /0647 | |
| Apr 01 2008 | BANK OF AMERICA, N A | Cabot Safety Intermediate Corporation | CORRECTION OF TYPOGRAPHICAL ERRORS OF PATENT NUMBERS LISTED IN COVER SHEET RECORDED AT REEL FRAME NO 020733 0440 | 020783 | /0537 | |
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| Dec 08 2008 | Cabot Safety Intermediate LLC | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 022043 | /0189 |
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