Filter mask

Description

FIG. 1 is a perspective view of a filter mask showing my new design;

FIG. 2 is a side elevational view thereof, the other side being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

The strap in FIGS. 2 through 6 is shown broken away for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D286213 October 14, 1986 Maryyanek e al.
2640481 June 1953 Conley
2664887 January 1954 Green
4686976 August 18, 1987 Bakkila et al.
Patent History
Patent number: D326540
Type: Grant
Filed: Sep 17, 1990
Date of Patent: May 26, 1992
Assignee: Moldex/Metric Products, Inc. (Culver City, CA)
Inventor: Michael F. Scholey (Pacoima, CA)
Primary Examiner: Kay H. Chin
Attorneys: Charles H. Schwartz, Ellsworth R. Roston
Application Number: 7/583,355
Classifications
Current U.S. Class: D29/7; D29/8