Disposable protective mask

Description

FIG. 1 is a perspective view of a disposable protective mask showing my new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of a second embodiment of a disposable protective mask showing my new design, the sole difference from the first embodiment being in the addition of horizontal strips along the lower sides thereof;

FIG. 9 is a right side elevational view of FIG. 8;

FIG. 10 is a left side elevational view of FIG. 8;

FIG. 11 is a perspective view of a third embodiment of a disposable protective mask showing my new design, the sole difference from the first embodiment being in the rear surface thereof;

FIG. 12 is a top plan view of FIG. 11;

FIG. 13 is a bottom plan view of FIG. 11;

FIG. 14 is a perspective view of a fourth embodiment of a disposable protective mask showing my new design;

FIG. 15 is a right side elevational view of FIG. 14; and

FIG. 16 is a left side elevational view of FIG. 14.

Referenced Cited
U.S. Patent Documents
D181887 January 1958 Stuart
1690764 November 1928 Altbuch
2448021 August 1948 De Grazia
4411023 October 25, 1983 Pinson
Patent History
Patent number: D285497
Type: Grant
Filed: Feb 24, 1984
Date of Patent: Sep 2, 1986
Inventor: Sarah C. McElfresh (Wayne, PA)
Primary Examiner: James M. Gandy
Assistant Examiner: Kay H. Chin
Law Firm: Benasutti and Murray
Application Number: 6/583,122
Classifications
Current U.S. Class: D29/8