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Breathing mask |
| D250047 |
Breathing mask
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| Patent Drawings: |  
(2 images) |
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| 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)
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| Assignee: |
Chemetron Corporation (Chicago, IL) |
| Primary Examiner: |
Ansher; Bernard |
| Assistant Examiner: |
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| 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: |
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| U.S Patent Documents: |
D197450; D197451; D209884; D225582; 2540567; 2843121; 3802431 |
| Foreign Patent Documents: |
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| Other References: |
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| Abstract: |
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| 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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