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Patent
D569501
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Priority
Mar 23 2007
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Filed
Jun 25 2007
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Issued
May 20 2008
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Expiry
May 20 2022
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Assg.orig
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Entity
unknown
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1
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3
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n/a
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The ornamental design for an “attachment for scavenging escape gas from a nasal mask,” as shown and described.
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FIG. 1 is a perspective view of the nasal mask attachment in accordance with my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side elevation thereof;
FIG. 5 is a left side elevation thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Berg, Hakan
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