USPatentGranted
S

Combined filter element and frame therefor

Granted 16 May 2000 · no office action yet

Assignee: Donaldson Company, Inc.

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Inventors: Daniel T. Risch, Bernard A. Matthys, Gary R. Gillingham, Joseph C. Tokar · Examiner: Lisa Lichtenstein · AU 291 · TC 2900

Application
Not granted yet
filed 6 Apr 1998
Publication
Not published
not published
Patent· this page
US D425189
granted 16 May 2000

Life of the patent

2 dated events
⤢ drag to zoomApr 1998Jul 1998Oct 1998Jan 1999Apr 1999Jul 1999Oct 1999Jan 2000Apr 2000Jul 2000Prosecution
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Description

1 parts
›FIG. 1 shows a perspective view of a…

FIG. 1 shows a perspective view of a combined filter element and frame therefor according to the principles of the present invention;

FIG. 2 shows a front elevational view thereof, a rear elevational view not being shown as it is a mirror image of the front elevational view;

FIG. 3 shows a top plan view thereof; and,

FIG. 4 shows a right side elevational view, a left side elevational view not being shown as it is a mirror image of the right side elevational view.

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

2 codes
USPC · US Patent Classification
D23/365D23/355

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Pendency
2.1 y
771 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 291 · TC 2900
Citations: 11 back · 0 forward

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