USPatent applicationPatented

In-line air cleaner

Granted 6 Feb 2001

Assignee: Donaldson Company, Inc.

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Inventors: Edward A. Steinbrueck, Timothy M. Ramos · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900

Application· this page
101190
filed 26 Feb 1999
Publication
Not published
not published
Patent
US D437401
granted 6 Feb 2001

Life of the application

4 dated events
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Description

1 parts
›FIG. 1 is a perspective view of an…

FIG. 1 is a perspective view of an in-line air cleaner embodying our new design, an optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 2 is a rear-end elevational view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 3 is a front-end elevational view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 4 is a left elevational view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 5 is a right elevational view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 6 is a bottom plan view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 7 is a top plan view of the in-line air cleaner depicted in FIG. 1, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 8 is a rear-end elevational view of a second embodiment of an in-line air cleaner, an optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 9 is a left elevational view of the in-line air cleaner depicted in FIG. 8, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 10 is a right elevational view of the in-line air cleaner depicted in FIG. 8, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented;

FIG. 11 is a bottom plan view of the in-line air cleaner depicted in FIG. 8, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented; and,

FIG. 12 is a top plan view of the in-line air cleaner depicted in FIG. 8, the optional restriction indicator shown in broken lines forming no part of the design sought to be patented.

The front end elevational view of the in-line air cleaner depicted in FIG. 8 has an identical appearance to FIG. 3.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims as granted

1 claim

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Classifications

1 codes
USPC · US Patent Classification
D23/364

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File wrapper

Pendency
1.9 y
711 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 2911 · TC 2900
Citations: 15 back · 0 forward

Documents

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Chain of title

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