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Office chair

Assignee: YANG JIANHUAPriority: Mar 12, 2011Filed: Sep 8, 2011Granted: Sep 18, 2012

Est. expiryMar 12, 2031(~4.7 yrs left)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

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

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