Patent
   D864042
Priority
Nov 21 2017
Filed
Nov 21 2017
Issued
Oct 22 2019
Expiry
Oct 22 2034
Assg.orig
Entity
unknown
2
61
n/a
I claim the ornamental design for an electric stair chair, as shown and described.

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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Dec 18 2019SHANG, YOUWEIMOBILE STAIR LIFT CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0513190777 pdf
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