Gas mask
Kumagai , et al. October 8, 1
U.S. patent number D320,677 [Application Number 07/437,501] was granted by the patent office on 1991-10-08 for gas mask. Invention is credited to Akira Kumagai, Hitoshi Kumagai.
| United States Patent | D320,677 |
| Kumagai , et al. | October 8, 1991 |
Gas mask
Claims
The ornamental design for a gas mask, as described and shown.
| Inventors: | Kumagai; Akira (Irifune, Urayasu-shi, chiba-ken, JP), Kumagai; Hitoshi (Okudo, Katsushika-ku, Tokyo both of, JP) |
|---|---|
| Appl. No.: | 07/437,501 |
| Filed: | November 16, 1989 |
| Current U.S. Class: | D24/110.1 |
| Field of Search: | ;D29/6,7,8 ;128/206.16,206.17,206.15,206.12,206.24,207.11 |
References Cited [Referenced By]
U.S. Patent Documents
| D294410 | February 1988 | Montest |
| 4688567 | August 1987 | Kikuchi et al. |
| 4945907 | August 1990 | Tayebi |
Attorney, Agent or Firm: Fleit, Jacobson, Cohn, Price, Holman & Stern
Description
FIG. 1 is a front elevational view of a gas mask showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a sectional view thereof taken along the line VII--VII of FIG. 1; and
FIG. 8 is a top and front perspective view thereof.
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