USPatentGranted
S1

Filter frame holding flexible, irregular media

Granted 4 Sep 2001 · no office action yet

Assignee: Donaldson Company, Inc.

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Inventors: Wayne R. W. Bishop, Steven Scott Gieseke · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900

Application
101306
filed 26 Feb 1999
Publication
Not published
not published
Patent· this page
US D447549
granted 4 Sep 2001

Life of the patent

2 dated events
⤢ drag to zoomJan 1999Apr 1999Jul 1999Oct 1999Jan 2000Apr 2000Jul 2000Oct 2000Jan 2001Apr 2001Jul 2001Oct 2001Prosecution
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Description

1 parts
›FIG. 1 is a perspective view, showing our…

FIG. 1 is a perspective view, showing our new design of a filter frame holding flexible, irregular media;

FIG. 2 is a top plan view of the filter frame holding flexible, irregular media depicted in FIG. 1;

FIG. 3 is a side elevational view of the filter frame holding flexible, irregular media depicted in FIG. 1, all other side elevational views having a similar appearance thereto; the flexible, irregular media providing some variation in appearance;

FIG. 4 is a bottom plan view of the filter frame holding flexible, irregular media depicted in FIG. 1;

FIG. 5 is a perspective view of a second embodiment of a filter frame holding flexible, irregular media, the filter media being lined to indicate that it has a blue color;

FIG. 6 is a top plan view of the filter frame holding flexible, irregular media depicted in FIG. 5;

FIG. 7 is a side elevational view of the filter frame holding flexible, irregular media depicted in FIG. 5, all other side elevational views having a similar appearance thereto; the flexible, irregular media providing some variation in appearance; and,

FIG. 8 is a bottom plan view of the filter frame holding flexible, irregular media depicted in FIG. 5.

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

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D23/365

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File wrapper

Pendency
2.5 y
921 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 2911 · TC 2900
Citations: 27 back · 0 forward

Chain of title

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Worldwide family

4 members · 3 offices
US2AU1UA1
this patentIP5 & PCTother officessolid = grantedhover for detail · click to open
Members
4
DOCDB simple family 22283955
Offices
3
US
Granted
2 of 4
grant date present
Non-English titles
1
shown as filed, never translated
›IP5 & PCT — 2 members
OfficePublicationKindPublishedFiledStatusTitle
USthis patentUS-D447549-SS14 Sep 200126 Feb 1999grantedFilter frame holding flexible, irregular media
USUS-D455483-SS19 Apr 200214 Jun 2000grantedFilter frame holding flexible, irregular media
›Other offices — 2 members
OfficePublicationKindPublishedFiledStatusTitle
AUAU-140338-SS6 Apr 200020 Aug 1999publishedFilter frame
UAUA-3610-SS15 Sep 200026 Aug 1999publishedГнучка опора фільтраuk

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