Office chair
Description
Claims
The ornamental design for an office chair, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| D431724 | October 10, 2000 | Peterson |
| D516329 | March 7, 2006 | Baeriswyl |
| D574643 | August 12, 2008 | Petruccelli |
| 7523992 | April 28, 2009 | Yang |
| D609037 | February 2, 2010 | Miller |
| D610378 | February 23, 2010 | Kita |
| D657583 | April 17, 2012 | Wilson |
| D664382 | July 31, 2012 | Petruccelli |
| D730097 | May 26, 2015 | Kubryk |
| D758750 | June 14, 2016 | Lievore |
| D759397 | June 21, 2016 | Wu |
| D762996 | August 9, 2016 | Fancelli |
| D787248 | May 23, 2017 | Jahns |
| D794370 | August 15, 2017 | Swy |
| D798624 | October 3, 2017 | Ono |
| D800486 | October 24, 2017 | Petruccelli |
| D824710 | August 7, 2018 | Geelen |
| D833164 | November 13, 2018 | Yang |
| D848169 | May 14, 2019 | Wu |
| D860668 | September 24, 2019 | Magnusson |
| D864641 | October 29, 2019 | Geelen |
| D904057 | December 8, 2020 | Zhong |
| D911056 | February 23, 2021 | Altherr |
| D919989 | May 25, 2021 | Li |
| D919990 | May 25, 2021 | Li |
| D919992 | May 25, 2021 | Li |
| D919993 | May 25, 2021 | Li |
| D920694 | June 1, 2021 | Li |
| D920697 | June 1, 2021 | Li |
| D921385 | June 8, 2021 | Li |
| D924585 | July 13, 2021 | Li |
| D924586 | July 13, 2021 | Li |
| D924590 | July 13, 2021 | Shibata |
| D925243 | July 20, 2021 | Li |
| D925956 | July 27, 2021 | Lampela |
| D931669 | September 28, 2021 | Li |
| D933385 | October 19, 2021 | Welling |
| D936986 | November 30, 2021 | Mezzera |
| D938176 | December 14, 2021 | Welling |
| D939230 | December 28, 2021 | Hayon |
| D942169 | February 1, 2022 | Li |
| D953762 | June 7, 2022 | Bhakta |
| D959868 | August 9, 2022 | Li |
| D971624 | December 6, 2022 | Liu |
| D979269 | February 28, 2023 | Chen |
| D980635 | March 14, 2023 | Bisman |
- Yunyu Desk Chair, amazon.de, https://www.amazon.de/-/en/Adjustable-Computer-Rotating-Ergonomic-Backrest/dp/B08LGFPMWF?th=1 (Year: 2020).
Patent History
Patent number: D994378
Type: Grant
Filed: Mar 7, 2023
Date of Patent: Aug 8, 2023
Inventor: Di Chen (Jiaxing)
Primary Examiner: Steven J Czyz
Application Number: 29/886,234
Type: Grant
Filed: Mar 7, 2023
Date of Patent: Aug 8, 2023
Inventor: Di Chen (Jiaxing)
Primary Examiner: Steven J Czyz
Application Number: 29/886,234
Classifications
Current U.S. Class:
D6/380