USD274391SExpiredUtility
Swivel chair
Est. expirySep 24, 2002(expired)· nominal 20-yr term from priority
Inventors:J. Thayer Coggin
61
PatentIndex Score
9
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a swivel chair, as shown and described.
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