Patent
   D415833
Priority
Aug 15 1996
Filed
Mar 10 1998
Issued
Oct 26 1999
Expiry
Oct 26 2013
Assg.orig
Entity
unknown
0
4
n/a
The ornamental design for a hearing protection device, as shown and described.

FIG. 1 is a front elevational view of a hearing protection device of the invention;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 5 is an side view thereof, taken along the line 5--5 of FIG. 1;

FIG. 6 is a front elevational view of a hearing protection device in a second embodiment of the invention;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a right side elevational view thereof, the left side elevational view being a mirror image; and,

FIG. 10 is an side view thereof, taken along the line 10--10 of FIG. 6.

Falco, Robert N., Doty, Marc

Patent Priority Assignee Title
Patent Priority Assignee Title
4671265, Nov 29 1984 Dalloz Safety AB Earplug device
5749373, Apr 10 1997 Moldex-Metric, Inc. Headband with break-away cord attachment
5809574, Aug 15 1996 3M Innovative Properties Company Hearing protection device
D292530, Nov 29 1984 BILSOM AB, A CORP OF SWEDEN Headband earplugs
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Mar 10 1998Cabot Safety Intermediate Corporation(assignment on the face of the patent)
Mar 27 1998FALCO, ROBERT N Cabot Safety Intermediate CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0091470668 pdf
Mar 27 1998DOTY, MARCCabot Safety Intermediate CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0091470668 pdf
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