Air treatment device

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FIG. 1 is a perspective view of the air treatment device embodying the new design:

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

FIGS. 1-7 may show features of the air treatment device in broken lines. The broken lines depict portions of the air treatment device that form no part of the claimed design. Further, the broken lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the broken lines forming no part of the claimed design.


The ornamental design for air treatment device, as shown and described.

Referenced Cited
U.S. Patent Documents
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D550826 September 11, 2007 Murai
D643520 August 16, 2011 Choi
D644312 August 30, 2011 Tsuji
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Other references
  •, Atmosphere Sky Air Treatment System, undated online product page, retrieved Nov. 21, 2020 from <URL:> (Year: 2020).
Patent History
Patent number: D918368
Type: Grant
Filed: Nov 20, 2018
Date of Patent: May 4, 2021
Assignee: Access Business Group International LLC. (Ada, MI)
Inventors: Rebecca C. Wheeler (Wyoming, MI), Zane Hoekstra (Kentwood, MI), Ryan D. Schamper (Grand Haven, MI), David J. Anderson (Mattawan, MI)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/670,834
Current U.S. Class: Air Cleaner (D23/364)