Electric stair chair

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Description

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.

Claims

I claim the ornamental design for an electric stair chair, as shown and described.

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Other references
  • Amazon, “MS3C . . . Emergency Stair Chair”, May 31, 2019. https://www.amazon.com/dp/B07J2WXZ76/ref=sspa_dk_detail_3?psc=1&pd_rd_i=B07J2WXZ76&pd_rd_w=Kly6G&pf_rd_p=8a8f3917-7900-4ce8-ad90-adf0d53c0985&pd_rd_wg=ZdwWv&pf_rd_r=TW4X6Z9K9C9T5CMEM2F3&pd_rd_r=d3ebd490-82ff-11e9-97ac-510cb5876d74. (Year: 2019).
Patent History
Patent number: D864042
Type: Grant
Filed: Nov 21, 2017
Date of Patent: Oct 22, 2019
Inventor: Youwei Shang (Jiangsu)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Michael A Maharajh
Application Number: 29/626,834
Classifications