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Breathing mask
D250047 Breathing mask
Patent Drawings:Drawing: D250047-2    Drawing: D250047-3    
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(2 images)

Inventor: Lewis, et al.
Date Issued: October 24, 1978
Application: 05/733,624
Filed: October 18, 1976
Inventors: Lewis; George Tom (Fallbrook, CA)
Price; John Hamilton (La Jolla, CA)
Assignee: Chemetron Corporation (Chicago, IL)
Primary Examiner: Ansher; Bernard
Assistant Examiner:
Attorney Or Agent: Esser; Nicholas M.
U.S. Class: 128/205.25; D24/110.1
Field Of Search: D29/8; D29/9; 128/146R; 128/205; 128/146.3; 128/146.7; 128/202
International Class:
U.S Patent Documents: D197450; D197451; D209884; D225582; 2540567; 2843121; 3802431
Foreign Patent Documents:
Other References:

Claim: The ornamental design for a breathing apparatus, substantially as shown and described.
Description: FIG. 1 is a perspective view of a breathing mask showing our new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a bottom perspective view thereof, and

FIG. 5 is a right side elevation of a modified embodiment of the mask illustrated in FIG. 1.

The broken lines representing the human form is shown for illustrative purposes only.

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