Fan filter unit

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Description

FIG. 1 is a front, top and right side perspective view of an fan filter unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

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

FIG. 8 is a cross-sectional view taken along lines 8-8 in FIG. 2.

The broken lines shown in the drawings represent portions of the fan filter unit that form no part of the claimed design.

Claims

The ornamental design for a fan filter unit, as shown and described.

Referenced Cited
U.S. Patent Documents
2102681 December 1937 Curtis
D124294 December 1940 Leslie
2284912 June 1942 Collins
2300842 November 1942 Leslie
D155345 September 1949 Johnson
D226609 April 1973 Drew
D226636 April 1973 Van Doren, Jr.
D376842 December 24, 1996 Franklin
D558321 December 25, 2007 Kramer
D587796 March 3, 2009 Reese
D674077 January 8, 2013 Miyake
D675719 February 5, 2013 Eicher
D716424 October 28, 2014 Merrill
20100051010 March 4, 2010 Colburn
20160131392 May 12, 2016 Mantyla
Patent History
Patent number: D786417
Type: Grant
Filed: Nov 25, 2014
Date of Patent: May 9, 2017
Assignee: HITACHI KOKUSAI ELECTRIC INC. (Tokyo)
Inventor: Makoto Hirano (Toyama)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Janice Hallmark
Application Number: 29/510,077
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370)