USPatent applicationPatented

Dust cassette assembly

Granted 1 May 2001

Current assignee: Mine Safety Appliances Company · originally MSA Safety Incorporated

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Inventors: Richard J. Hartman · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900

Application· this page
122513
filed 28 Apr 2000
Publication
Not published
not published
Patent
US D441440
granted 1 May 2001

Life of the application

6 dated events
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Description

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

FIG. 1 is a perspective view of the outlet side of the dust cassette assembly

FIG. 2 is a side elevational view of the dust cassette assembly. The opposite side elevational view is a mirror image thereof

FIG. 3 is a front elevational view of the dust cassette assembly. The rear elevational view is a mirror image thereof

FIG. 4 is a top plan view of the outlet side of the dust cassette assembly; and,

FIG. 5 is a bottom plan view of the inlet side of the dust cassette assembly.

The mesh pattern shown in FIGS. 1 and 4 is understood to represent screening and extends uniformly throughout the areas represented.

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
D23/365

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File wrapper

Pendency
1.0 y
368 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 2911 · TC 2900
Citations: 1 back · 0 forward

Documents

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Chain of title

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