Breathing mask

- Suomen Jonas Oy

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Description

FIG. 1 is a front and side perspective view of a breathing mask showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
1142990 June 1915 Stern
1292096 January 1919 Schwartz
1946334 February 1934 Schwartz
2070754 February 1937 Schwartz
2578007 December 1951 Hill
3216415 November 1965 Littleton
3757777 September 1973 Kaufman
3861381 January 1975 Witman et al.
4600002 July 15, 1986 Maryyanck et al.
4628927 December 16, 1986 Ward
5035006 July 30, 1991 Hetz et al.
Foreign Patent Documents
13889 October 1990 FIX
8803036 May 1988 WOX
Patent History
Patent number: D383537
Type: Grant
Filed: Sep 27, 1995
Date of Patent: Sep 9, 1997
Assignee: Suomen Jonas Oy (Helsinki)
Inventor: Jorma Lunden (Helsinki)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 0/44,599
Classifications
Current U.S. Class: D24/1101
International Classification: 2102;