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Gas mask |
| D320868 |
Gas mask
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| Patent Drawings: | |
| Inventor: |
Kumagai, et al. |
| Date Issued: |
October 15, 1991 |
| Application: |
07/437,499 |
| Filed: |
November 16, 1989 |
| Inventors: |
Kumagai; Akira (Urayasu-shi, Chiba-ken, JP)
Kumagai; Hitoshi (Tokyo, JP)
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| Assignee: |
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| Primary Examiner: |
Chin; Kay H. |
| Assistant Examiner: |
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| Attorney Or Agent: |
Fleit, Jacobson, Cohn, Price, Holman & Stern |
| U.S. Class: |
D24/110.3 |
| Field Of Search: |
D29/6; D29/7; D29/8; D29/9; D29/15; D29/17; 128/206.17; 128/207.11; 128/206.16; 128/206.15; 128/206.12; 128/206.24 |
| International Class: |
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| U.S Patent Documents: |
D181887; 4250877; 4677976 |
| Foreign Patent Documents: |
2201096 |
| Other References: |
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| Abstract: |
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| Claim: |
The ornamental design for a gas mask, as shown and described. |
| Description: |
FIG. 1 is a front elevational view of a gas mask showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational veiw thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a cross sectional view thereof; and
FIG. 8 is a top and front perspective view thereof.
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