Ferrofluid speaker

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Description

FIG. 1 is a front, right and top perspective view of a ferrofluid speaker, showing our new design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the ferrofluid speaker that form no part of the claimed design.

Claims

The ornamental design for a ferrofluid speaker, as shown and described.

Referenced Cited
U.S. Patent Documents
D597064 July 28, 2009 Machida
D720334 December 30, 2014 Wang
D741839 October 27, 2015 Osborn
D756966 May 24, 2016 Feng
D768112 October 4, 2016 Azhari
D824879 August 7, 2018 Vogt, Jr.
D852161 June 25, 2019 Hannibal, III
D880447 April 7, 2020 Chen
D913987 March 23, 2021 Li
D929363 August 31, 2021 He
D955895 June 28, 2022 Yu
D964863 September 27, 2022 Yu
D973623 December 27, 2022 He
D978108 February 14, 2023 Li
D982553 April 4, 2023 Jeong
D1006775 December 5, 2023 Huang
Patent History
Patent number: D1044765
Type: Grant
Filed: Apr 12, 2023
Date of Patent: Oct 1, 2024
Inventors: Chunjie Zhang (Guangzhou), Yunqin Xu (Guangzhou)
Primary Examiner: Khawaja Anwar
Assistant Examiner: Megan Tiana Rakos
Application Number: 29/874,020
Classifications