USPatentGranted
S

Full face respirator lens

Granted 11 May 1999 · no office action yet

Current assignee: Minnesota Mining And Manufacturing Company · originally 3M Company

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Inventors: Gerald M. Brostrom, Joseph G. Reischel, David C. Byram, David P. Knivsland +1 · Examiner: Stella Reid · AU 294 · TC 2900

Application
Not granted yet
filed 5 Mar 1997
Publication
Not published
not published
Patent· this page
US D409744
granted 11 May 1999

Life of the patent

4 dated events
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Description

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

FIG. 1 is a perspective view of a full face respirator lens showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a left-side elevational view thereof.

FIG. 4 is a right-side elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom elevational view thereof; and,

FIG. 7 is a top elevational view thereof.

The broken lines in FIGS. 1, 2, and 5-7 are for illustrative purposes only and form no part of the claimed design.

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
D24/110.4D24/110.1

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Pendency
2.2 y
797 days filing → grant
Office actions
0
on the grant's record
Examiner
Stella Reid
art unit 294 · TC 2900
Citations: 50 back · 0 forward

Chain of title

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