Office chair
Description
1. Office chair
Claims
The ornamental design for an office chair, as shown and described.
Referenced Cited
U.S. Patent Documents
| 3774960 | November 1973 | Blodee |
| 4007962 | February 15, 1977 | Muller-Deisig |
| 4830430 | May 16, 1989 | Schafer |
| D391424 | March 3, 1998 | Raftery |
| D507422 | July 19, 2005 | Seiler |
| D547978 | August 7, 2007 | Machael |
| D558994 | January 8, 2008 | Machael |
| D576812 | September 16, 2008 | Van Severen |
| 7837265 | November 23, 2010 | Machael |
| D654280 | February 21, 2012 | Fujita |
| D666841 | September 11, 2012 | Czumaj-Bront |
| D673384 | January 1, 2013 | Yang |
| D714069 | September 30, 2014 | Cvek |
| D724367 | March 17, 2015 | Sander |
| D761579 | July 19, 2016 | Lievore |
| D768401 | October 11, 2016 | Lievore |
| D777494 | January 31, 2017 | Prestwich |
| D815868 | April 24, 2018 | Romero |
| D845692 | April 16, 2019 | Chadwick |
| D846932 | April 30, 2019 | Lampela |
| D889159 | July 7, 2020 | Zhu |
| D904057 | December 8, 2020 | Zhong |
Patent History
Patent number: D919994
Type: Grant
Filed: Apr 28, 2019
Date of Patent: May 25, 2021
Inventor: Peter Doricko (Pre{hacek over (s)}ov)
Primary Examiner: Bao-Yen T Nguyen
Application Number: 35/507,979
Type: Grant
Filed: Apr 28, 2019
Date of Patent: May 25, 2021
Inventor: Peter Doricko (Pre{hacek over (s)}ov)
Primary Examiner: Bao-Yen T Nguyen
Application Number: 35/507,979
Classifications
Current U.S. Class:
D6/366
