USPatent applicationPatented

Ring-type cooling fan

Granted 7 Aug 2001

Current assignee: Borgwarner Inc. · originally BorgWarner Inc.

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Inventors: Eugene E. Williams, Jonathan B. Stagg · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900

Application· this page
129829
filed 21 Sep 2000
Publication
Not published
not published
Patent
US D446295
granted 7 Aug 2001

Life of the application

4 dated events
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Description

1 parts
›FIG. 1 is a top elevational view of…

FIG. 1 is a top elevational view of a ring-type cooling fan in accordance with the design of the present invention.

FIG. 2 is a bottom perspective view of the ring-type cooling fan of FIG. 1.

FIG. 3 is a bottom plan view of the ring-type cooling fan of FIG. 1.

FIG. 4 is a side elevational view of the ring-type cooling fan of FIGS. 1 and 2 and views at all other angles are the same.

FIG. 5 is a side, cross-sectional view of the ring-type cooling fan depicted in FIG. 1, taken along line 5—5 as viewed in direction of the arrows.

FIG. 6 is a bottom perspective view of a fan blade of the ring-type cooling fan of FIG. 1, shown separately for clarity of illustration.

FIG. 7 is a top plan view of FIG. 6.

FIG. 8 is a bottom plan view of FIG. 6.

FIG. 9 is a front elevational view of FIG. 6; and,

FIG. 10 is a rear elevational view of FIG. 6.

The broken line showing of environmental structure in FIGS. 6-10 is for illustrative purposes only and forms no part of the claimed design.

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Claims as granted

1 claim

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Classifications

1 codes
USPC · US Patent Classification
D23/370

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File wrapper

Pendency
0.9 y
320 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 2911 · TC 2900
Citations: 9 back · 0 forward

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Chain of title

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