Chair back
Description
Claims
The ornamental design for a chair back, as shown and described.
Referenced Cited
U.S. Patent Documents
D318186 | July 16, 1991 | Votteler |
D331669 | December 15, 1992 | Citterio |
D346707 | May 10, 1994 | Soto Martinez |
D349609 | August 16, 1994 | Aronowitz et al. |
D367185 | February 20, 1996 | Olson |
D374129 | October 1, 1996 | Timmons |
D383009 | September 2, 1997 | Piretti |
D388629 | January 6, 1998 | Piretti |
D408165 | April 20, 1999 | Kemnitzer |
D408642 | April 27, 1999 | Piretti |
D411772 | July 6, 1999 | Piretti |
Patent History
Patent number: D577935
Type: Grant
Filed: Nov 6, 2007
Date of Patent: Oct 7, 2008
Inventors: Mei Chuen Lin (Taoyuan Hsien), Tzu Mei Wang (Taoyuan Hsien)
Primary Examiner: Mimosa De
Application Number: 29/297,165
Type: Grant
Filed: Nov 6, 2007
Date of Patent: Oct 7, 2008
Inventors: Mei Chuen Lin (Taoyuan Hsien), Tzu Mei Wang (Taoyuan Hsien)
Primary Examiner: Mimosa De
Application Number: 29/297,165
Classifications
Current U.S. Class:
D6/502