Patent
   D705756
Priority
Jan 07 2013
Filed
Jan 07 2013
Issued
May 27 2014
Expiry
May 27 2028
Assg.orig
Entity
unknown
10
12
n/a
The ornamental design for a loudspeaker diaphragm, as shown and described.

FIG. 1 is a front elevation view of a loudspeaker diaphragm showing our new design;

FIG. 2 is a left side elevation thereof, the right side elevation being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a crosses sectional view thereof, taken along line 4-4 of FIG. 3; and,

FIG. 5 is an enlarged cross sectional view of the wavy part of the loudspeaker diaphragm.

The broken lines indicate the unclaimed portions and form no part of the claimed design.

Diaz, Melvin, Kerstein, Karl, Teguh, Chris

Patent Priority Assignee Title
D729211, Apr 18 2014 TANG BAND INDUSTRIES CO., LTD. Vibration unit for acoustic module
D738861, Apr 09 2014 Cotron Corporation Vibrating element for speaker
D744455, Apr 18 2014 TANG BAND INDUSTRIES CO., LTD. Vibration unit for acoustic module
D865719, Oct 13 2017 Alpine Electronics, Inc. Speaker
D866524, Apr 17 2018 Wave Sciences, LLC Acoustic reflector for enhanced performance of voice-controlled devices
D875084, Nov 13 2017 TYMPHANY ACOUSTIC TECHNOLOGY HUIZHOU CO , LTD Surround for loudspeaker
D892766, Jun 06 2018 Pioneer Corporation Speaker for automobile
D916053, Nov 09 2018 Part of a loudspeaker
D964967, Jul 10 2019 Pioneer Corporation Speaker for an automobile
D974333, Oct 25 2019 JVCKENWOOD Corporation On-vehicle speaker
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 07 2013Alpine Electronics, Inc.(assignment on the face of the patent)
Jan 23 2013KERSTEIN, KARLAlpine Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0298440335 pdf
Jan 23 2013TEGUH, CHRISAlpine Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0298440335 pdf
Jan 23 2013DIAZ, MELVINAlpine Electronics, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0298440335 pdf
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