Chair frame structure

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Description

FIG. 1 is a perspective view of chair frame structure showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view showing the use and arrangement of my new design.

The surface(s) or portion(s) of the article shown in broken lines in the drawings being for illustrative purpose only and forming no part of the claimed design.

Claims

The ornamental design for a chair frame structure, as shown and described.

Referenced Cited
U.S. Patent Documents
5899525 May 4, 1999 Tseng
7147286 December 12, 2006 Cesaroni
D594669 June 23, 2009 Asano
D600935 September 29, 2009 Koh
D600936 September 29, 2009 Koh
7717511 May 18, 2010 Huang
D687642 August 13, 2013 Hsuan-Chin
8506008 August 13, 2013 Pan
D689297 September 10, 2013 Su
D756140 May 17, 2016 Kumazawa
D758088 June 7, 2016 Hurford
D787216 May 23, 2017 Pillet
D811789 March 6, 2018 Fletcher
D817019 May 8, 2018 Borrelli
D820072 June 12, 2018 Choi
Foreign Patent Documents
2311234 December 2000 CA
WO-2007109699 September 2007 WO
Patent History
Patent number: D878124
Type: Grant
Filed: Dec 20, 2017
Date of Patent: Mar 17, 2020
Inventor: Shu O Su (Tainan)
Primary Examiner: Mimosa De
Application Number: 29/630,413
Classifications
Current U.S. Class: D6/708.16