Office chair

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Description

1. Office chair

4.1: Perspective

4.2: Left

4.3: Perspective

4.4: Back

4.5: Bottom

4.6: Top

4.7: Front

Claims

The ornamental design for an office chair, as shown and described.

Referenced Cited
U.S. Patent Documents
3774960 November 1973 Blodee
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4830430 May 16, 1989 Schafer
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D507422 July 19, 2005 Seiler
D547978 August 7, 2007 Machael
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D654280 February 21, 2012 Fujita
D666841 September 11, 2012 Czumaj-Bront
D673384 January 1, 2013 Yang
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D777494 January 31, 2017 Prestwich
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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
Classifications
Current U.S. Class: D6/366