Patent
   D402752
Priority
Aug 15 1996
Filed
Aug 15 1996
Issued
Dec 15 1998
Expiry
Dec 15 2012
Assg.orig
Entity
unknown
34
8
n/a
The ornamental design for a hearing protection device, as shown and described.

FIG. 1 is a rear perspective view of a first embodiment of the hearing protection device;

FIG. 2 is a front elevational view thereof, it being understood that when rotated, all undisclosed surfaces in elevation are a mirror image;

FIG. 3 is a rear end view of the device of FIG. 1;

FIG. 4 is a front end view of the device of FIG. 1;

FIG. 5 is a rear perspective view of a second embodiment of the hearing protection device;

FIG. 6 is a front elevational view thereof, it being understood that when rotated, all undisclosed surfaces in elevation are a mirror image;

FIG. 7 is a rear end view of the device of FIG. 5;

FIG. 8 is a front end view of the device of FIG. 5;

FIG. 9 is a rear perspective view of a third embodiment of the hearing protection device;

FIG. 10 is a front elevational view thereof, it being understood that when rotated, all undisclosed surfaces in elevation are a mirror image;

FIG. 11 is a rear end view of the device of FIG. 9;

FIG. 12 is a front end view of the device of FIG. 9;

FIG. 13 is a rear perspective view of a fourth embodiment of the hearing protection device;

FIG. 14 is a front elevational view thereof, it being understood that when rotated, all undisclosed surfaces in elevation are a mirror image;

FIG. 15 is a rear end view of the device of FIG. 13; and,

FIG. 16 is a front end view of the device of FIG. 13.

Falco, Robert N.

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Patent Priority Assignee Title
4325453, Jun 11 1980 Pneumatic headset
4553627, Oct 22 1984 Unitron Industries Hearing aid wax guard
5188123, Aug 20 1990 Cabot Safety Intermediate Corporation Hearing protective earplug having alternative modes of insertion
D259279, Jan 05 1979 Daiko Co., Ltd. Earplug
D330761, Sep 21 1990 Cabot Safety Intermediate Corporation Earplug
D369655, Apr 15 1994 Cabot Safety Intermediate Corporation Hearing protective earplug
D375550, Apr 15 1994 Cabot Safety Intermediate Corporation Hearing protective earplug
D375551, Apr 15 1994 Cabot Safety Intermediate Corporation Hearing protective earplug
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 15 1996Cabot Safety Intermediate Corporation(assignment on the face of the patent)
Sep 05 1996FALCO, ROBERT N Cabot Safety Intermediate CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0083000151 pdf
Jul 13 2001Cabot Safety Intermediate CorporationBankers Trust CompanySECURITY INTEREST SEE DOCUMENT FOR DETAILS 0120750227 pdf
Apr 20 2004Cabot Safety Intermediate CorporationDEUTSCHE BANK AG, NEW YORK BRANCHSECURITY AGREEMENT0152930386 pdf
Apr 20 2004DEUTSCHE BANK TRUST COMPANY AMERICASCabot Safety Intermediate CorporationPATENT RELEASE0153020494 pdf
Mar 24 2006Cabot Safety Intermediate CorporationBANK OF AMERICA, N A , AS SECOND LIEN COLLATERAL AGENTSECURITY AGREEMENT0174350764 pdf
Mar 24 2006Cabot Safety Intermediate CorporationBANK OF AMERICA, N A , AS FIRST LIEN COLLATERAL AGENTSECURITY AGREEMENT0174350721 pdf
Mar 24 2006DEUTSCHE BANK AG, NEW YORK BRANCHCabot Safety Intermediate CorporationRELEASE OF SECURITY INTEREST0176260347 pdf
Jun 01 2007BANK OF AMERICA, N A , AS FIRST LIEN COLLATERAL AGENTCabot Safety Intermediate CorporationRELEASE OF FIRST LIEN SECURITY INTEREST AT REEL FRAME NO 17435 07210195110914 pdf
Jun 01 2007Cabot Safety Intermediate CorporationBANK OF AMERICA, N A , AS FIRST LIEN COLLATERAL AGENTGRANT OF FIRST LIEN SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS0195200001 pdf
Apr 01 2008BANK OF AMERICA, N A Cabot Safety Intermediate CorporationRELEASE OF SECOND LIEN SECURITY INTEREST AT REEL FRAME NO 17435 07640207330510 pdf
Apr 01 2008BANK OF AMERICA, N A Cabot Safety Intermediate CorporationCORRECTION OF TYPOGRAPHICAL ERRORS OF PATENT NUMBERS LISTED IN COVER SHEET RECORDED AT REEL FRAME NO 020733 04400207830537 pdf
Apr 01 2008BANK OF AMERICA, N A Cabot Safety Intermediate CorporationRELEASE OF FIRST LIEN SECURITY INTEREST FILED AT REEL FRAME NO 19520 00010208280647 pdf
Sep 26 2008Cabot Safety Intermediate CorporationCabot Safety Intermediate LLCCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0219760611 pdf
Dec 08 2008Cabot Safety Intermediate LLC3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0220430189 pdf
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