Automatic aquarium water changer

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Description

FIG. 1 is a front, right and bottom perspective view of an automatic aquarium water changer showing my design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left-side elevation view thereof.

FIG. 5 is a right-side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are included for the purposes of illustrating portions of the automatic aquarium water changer that form no part of the claimed design.

Claims

The ornamental design for an automatic aquarium water changer, as shown and described.

Referenced Cited
U.S. Patent Documents
D214918 August 1969 Willinger
3826371 July 1974 Adamson
D282016 December 31, 1985 Chestnut
D304506 November 7, 1989 Tominaga
D640424 June 21, 2011 Yen
D716507 October 28, 2014 Mayer
D813478 March 20, 2018 Erlich et al.
D919192 May 11, 2021 Li
20070051320 March 8, 2007 Yen
20080313827 December 25, 2008 Paxton
Patent History
Patent number: D973284
Type: Grant
Filed: Oct 11, 2021
Date of Patent: Dec 20, 2022
Assignee: Shenzhen Mago Trading Co., Ltd (Shenzhen)
Inventor: Mingbo Cao (Shenzhen)
Primary Examiner: Wan Laymon
Application Number: 29/811,072
Classifications
Current U.S. Class: Element Or Attachment (D30/106)