Back rest for chairs
Description
Claims
The ornamental design for back rest for chairs, as shown and described.
Referenced Cited
U.S. Patent Documents
D86039 | January 1932 | Macomber |
D127977 | July 1941 | Shepherd |
D165322 | December 1951 | Burdick |
D227953 | July 1973 | Prizlow |
D230443 | February 1974 | Klose |
D239791 | May 1976 | Alessandri |
D438734 | March 13, 2001 | Turner |
D577935 | October 7, 2008 | Lin |
D657594 | April 17, 2012 | Knight |
D774344 | December 20, 2016 | Alvarez |
D824709 | August 7, 2018 | Li |
D867799 | November 26, 2019 | Donati |
Patent History
Patent number: D888481
Type: Grant
Filed: Sep 17, 2018
Date of Patent: Jun 30, 2020
Assignee: SUPPORT DESIGN AB (Sunne)
Inventor: Marcus Ericsson (Sunne)
Primary Examiner: Mimosa De
Application Number: 29/663,568
Type: Grant
Filed: Sep 17, 2018
Date of Patent: Jun 30, 2020
Assignee: SUPPORT DESIGN AB (Sunne)
Inventor: Marcus Ericsson (Sunne)
Primary Examiner: Mimosa De
Application Number: 29/663,568
Classifications
Current U.S. Class:
D6/716.4