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Patent
D934412
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Priority
Sep 22 2020
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Filed
Sep 22 2020
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Issued
Oct 26 2021
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Expiry
Oct 26 2036
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Assg.orig
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Entity
unknown
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4
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34
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n/a
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The ornamental design for a mask support frame, as shown and described.
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FIG. 1 is a perspective view of a mask support frame showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
Zeng, Yangfeng
Patent |
Priority |
Assignee |
Title |
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Jul 06 2016 |
SleepNet Corporation |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a