USD507422SExpiredUtility
Office swivel chair
Est. expiryJan 21, 2023(expired)· nominal 20-yr term from priority
Inventors:Mathias Seiler
57
PatentIndex Score
10
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an office swivel chair, as shown.
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