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Patent
D982152
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Priority
Jun 26 2021
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Filed
Aug 22 2021
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Issued
Mar 28 2023
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Expiry
Mar 28 2038
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Assg.orig
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Entity
unknown
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2
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13
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n/a
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The ornamental design for a mask, as shown and described.
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FIG. 1 is a left side elevation view showing the ornamental design of a mask;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6. is a back side elevation view thereof; and,
FIG. 7 is a perspective view thereof.
Pietranera, Guido
Patent |
Priority |
Assignee |
Title |
10945469, |
Jun 04 2020 |
Grove Biomedical, LLC |
Respirator |
4179274, |
Jan 07 1976 |
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Respirator filter and method of making the same |
4573464, |
Aug 07 1981 |
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Filter respirator for protection against smoke and toxic gases |
4793343, |
Aug 20 1987 |
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Respiratory heated face mask |
20100269831, |
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20210298385, |
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20210307414, |
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20210316170, |
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20210346730, |
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20210346736, |
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20210353972, |
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20210379423, |
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20220000195, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a