USD421540SExpiredUtility

Chair back

60
Assignee: STEELCASE INCPriority: Apr 2, 1999Filed: Apr 2, 1999Granted: Mar 14, 2000
Est. expiryApr 2, 2019(expired)· nominal 20-yr term from priority
Inventors:David C. JenkinsArnold B. DammermannMarkus P. DiebelGardner KlaasenJohn StoddardDavid S. Teppo
60
PatentIndex Score
10
Cited by
35
References
1
Claims

Claims

exact text as granted — not AI-modified
We claim the ornamental design for a chair back, as shown and described.

Join the waitlist — get patent alerts

Track USD421540S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.