Full face respirator
Granted 25 Mar 1997 · no office action yet
Current assignee: Minnesota Mining And Manufacturing Company · originally 3M Company
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Inventors: David C. Byram, Vaughn B. Grannis, Joseph G. Reischel, Gerald M. Brostrom +1 · Examiner: Louis S. Zarfas · AU 294 · TC 2900
Life of the patent
4 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
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.
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