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Patent
D864042
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Priority
Nov 21 2017
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Filed
Nov 21 2017
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Issued
Oct 22 2019
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Expiry
Oct 22 2034
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Assg.orig
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Entity
unknown
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2
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61
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n/a
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I claim the ornamental design for an electric stair chair, as shown and described.
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FIG. 1 is a perspective view of an electric stair chair showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Shang, Youwei
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a