Patent
   D852169
Priority
Jul 21 2017
Filed
Jan 22 2018
Issued
Jun 25 2019
Expiry
Jun 25 2034
Assg.orig
Entity
unknown
5
12
n/a
I claim, the ornamental design for an phase plug for loudspeaker, as shown and described.

FIG. 1 is a top perspective view of a phase plug for loudspeaker, showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being identical thereto;

FIG. 3 is a left side elevational view thereof, the right side view being identical thereto;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a bottom perspective view of FIG. 1.

Chen, Zhi

Patent Priority Assignee Title
D867346, Jan 19 2018 Dynamic Ear Company B.V. Ambient filter
D873128, Dec 03 2018 T-nut
D898707, Aug 08 2018 Speaker baffle
D920285, Jul 01 2019 B&C SPEAKERS S P A Loudspeaker
D956021, Mar 26 2018 VIABLUE GMBH Spike for a loudspeaker
Patent Priority Assignee Title
8181736, Aug 14 2008 Harman International Industries, Incorporated Phase plug and acoustic lens for direct radiating loudspeaker
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D357678, Oct 06 1993 Meyer Sound Laboratories Incorporated Acoustical ranging transceiver
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 19 2018CHEN, ZHIPREMIUM LOUDSPEAKERS HUI ZHOU CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0447530810 pdf
Jan 22 2018PREMIUM LOUDSPEAKERS (HUI ZHOU) CO., LTD.(assignment on the face of the patent)
Dec 25 2018PREMIUM LOUDSPEAKERS HUI ZHOU CO , LTD TYMPHANY ACOUSTIC TECHNOLOGY HUIZHOU CO , LTD CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0491210317 pdf
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