Double backrest of a chair
The double backrest of a chair is part of a piece of furniture, such as a chair. The double backrest supports the back of a user, just as a regular backrest of a chair.
The broken lines are presented for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a double backrest of a chair, as shown and described.
D34288 | March 1901 | Davison |
D198369 | June 1964 | Jakobsen et al. |
D391424 | March 3, 1998 | Raftery |
D396360 | July 28, 1998 | Zimmermann |
20070246988 | October 25, 2007 | Hung |
Type: Grant
Filed: Aug 6, 2007
Date of Patent: Apr 8, 2008
Inventor: Chian You Huang (Tanzih Township, Tiachung County)
Primary Examiner: Mimosa De
Attorney: Egbert Law Offices
Application Number: 29/283,098