Breathing mask
Lewis , et al. October 24, 1
U.S. patent number D250,047 [Application Number 05/733,624] was granted by the patent office on 1978-10-24 for breathing mask. This patent grant is currently assigned to Chemetron Corporation. Invention is credited to George Tom Lewis, John Hamilton Price.
| United States Patent | D250,047 |
| Lewis , et al. | October 24, 1978 |
Breathing mask
Claims
The ornamental design for a breathing apparatus, substantially as shown and described.
| Inventors: | Lewis; George Tom (Fallbrook, CA), Price; John Hamilton (La Jolla, CA) |
|---|---|
| Assignee: | Chemetron Corporation (Chicago,
IL) |
| Appl. No.: | 05/733,624 |
| Filed: | October 18, 1976 |
| Current U.S. Class: | D24/110.1; 128/205.25 |
| Current International Class: | D2902; D2402 |
| Field of Search: | ;D29/8,9 ;128/146R,205,146.3,146.7,202 |
References Cited [Referenced By]
U.S. Patent Documents
| D197450 | February 1964 | Grimm |
| D197451 | February 1964 | Grimm |
| D209884 | January 1968 | Hansford, Jr. |
| D225582 | December 1972 | King |
| 2540567 | February 1951 | Bennett |
| 2843121 | July 1958 | Hudson |
| 3802431 | April 1974 | Farr |
Attorney, Agent or Firm: Esser; Nicholas M.
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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