Full face respirator

Info

Patent number: D378610
Type: Grant
Filed: Oct 27, 1995
Date of Patent: Mar 25, 1997
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Joseph G. Reischel (St. Paul, MN), David P. Knivsland (North St. Paul, MN), Gerald M. Brostrom (Burnsville, MN), David C. Byram (River Falls, WI), Vaughn B. Grannis (Inver Grove Heights, MN)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Attorneys: Gary L. Griswold, Walter N. Kirn, Karl G. Hanson
Application Number: 0/45,750

Description

Description

FIG. 1 is a perspective view of a full face respirator showing a first embodiment of the new design;

FIG. 2 is a front elevational view of the full face respirator of FIG. 1;

FIG. 3 is a left side elevational view of the full face respirator of FIG. 1. The right side is a mirror image of the left side;

FIG. 4 is a rear elevational view of the full face respirator of FIG. 1;

FIG. 5 is a bottom elevational view of the full face respirator of FIG. 1;

FIG. 6 is a top elevational view of the full face respirator of FIG. 1;

FIG. 7 is a perspective view of a full face respirator showing a second embodiment of the new design;

FIG. 8 is a front elevational view of the full face respirator of FIG. 7;

FIG. 9 is a left side elevational view of the full face respirator of FIG. 7. The right side is a mirror image of the left side;

FIG. 10 is a rear elevational view of the full face respirator of FIG. 7;

FIG. 11 is a bottom elevational view of the full face respirator of FIG. 7; and,

FIG. 12 is a top elevational view of the full face respirator of FIG. 7.