Face mask breathing valve

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Description

FIG. 1 is a side perspective view of a face mask breathing valve showing our new design, the broken line showing of a face mask is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front view of a face mask breathing valve in accordance with this invention;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof with a left side view being a mirror image thereof;

FIG. 5 is bottom view thereof; and,

FIG. 6 is a top view thereof.

Referenced Cited
U.S. Patent Documents
D347298 May 24, 1994 Japuntich et al.
D347299 May 24, 1994 Bryant et al.
D389239 January 13, 1998 Scholey
2751904 June 1956 Lewis
4756308 July 12, 1988 Ryback
Patent History
Patent number: D413166
Type: Grant
Filed: Mar 2, 1998
Date of Patent: Aug 24, 1999
Assignee: Louis M. Gerson Co., Inc. (Middleboro, MA)
Inventors: George A. Snow (E. Taunton, MA), Robert A. Brunell (Webster, MA)
Primary Examiner: Stella Reid
Assistant Examiner: I Simmons
Law Firm: Wolf, Greenfield & Sacks, P.C.
Application Number: 0/84,394
Classifications
Current U.S. Class: D24/1106; D24/1101
International Classification: 2902;