Air cleaner

Info

Patent number: D418592
Type: Grant
Filed: Sep 3, 1998
Date of Patent: Jan 4, 2000
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Rocco A. DePietro, III (Eden Prairie, MN), Steven A. Carter (Eagan, MN), James K. Elfstrand (Mounds View, MN)
Primary Examiner: Lisa Lichtenstein
Law Firm: Merchant & Gould P.C.
Application Number: 0/93,124

Description

Description

FIG. 1 is a perspective view of an air cleaner embodying our new design;

FIG. 2 is an end elevational view of the air cleaner shown in FIG. 1, the opposite end elevational view being a mirror image thereof;

FIG. 3 is a front side elevational view of the air cleaner depicted in FIG. 1;

FIG. 4 is a rear side elevational view of the air cleaner depicted in FIG. 1;

FIG. 5 is a bottom plan view of the air cleaner depicted in FIG. 1;

FIG. 6 is a top plan view of the air cleaner depicted in FIG. 1;

FIG. 7 is an end elevational view of a second embodiment of an air cleaner the opposite end elevational view being a mirror image thereof;

FIG. 8 is a front side elevational view of the air cleaner depicted in FIG. 7;

FIG. 9 is a rear side elevational view of the air cleaner depicted in FIG. 7;

FIG. 10 is a bottom plan view of the air cleaner depicted in FIG. 7;

FIG. 11 is a top plan view of the air cleaner depicted in FIG. 7;

FIG. 12 is an end elevational view of a third embodiment of an air cleaner; the opposite end elevational view being a mirror image thereof;

FIG. 13 is a front side elevational view of the air cleaner depicted in FIG. 12;

FIG. 14 is a rear side elevational view of the air cleaner depicted in FIG. 12;

FIG. 15 is a bottom plan view of the air cleaner depicted in FIG. 12;

FIG. 16 is a top plan view of the air cleaner depicted in FIG. 12;

FIG. 17 is an end elevational view of a fourth embodiment an of air cleaner;

FIG. 18 is an opposite end elevational view of the air cleaner depicted in FIG. 17.

FIG. 19 is a front side elevational view of the air cleaner depicted in FIG. 17;

FIG. 20 is a rear side elevational view of the air cleaner depicted in FIG. 17;

FIG. 21 is a bottom plan view of the air cleaner depicted in FIG. 17; and,

FIG. 22 is a top plan view of the air cleaner depicted in FIG. 17.

The sole difference of the second embodiment from the first embodiment resides in the presence of stippling on the end caps in the first embodiment. The differences of the second embodiment from the third embodiment reside in the presence of stippling on the second embodiment from the third embodiment reside in the presence of stippling on the end caps and color on the filter media in the third embodiment. The differences between the first embodiment and the third embodiment resides in the presence of color on the filter media in the third embodiment. The differences between the first embodiment and the fourth embodiment reside in the presence of color on the end caps, color in the filter media, and a logo in the fourth embodiment. The differences between the third and fourth embodiments reside in the presence of color on the end caps and a logo in the fourth embodiment.