USD420540SExpiredUtility

Chair back

60
Assignee: KRUEGER INT INCPriority: Dec 11, 1998Filed: Dec 11, 1998Granted: Feb 15, 2000
Est. expiryDec 11, 2018(expired)· nominal 20-yr term from priority
Inventors:Stephen J. BaumannMartin E. Olson GundersonMark D. Dart
60
PatentIndex Score
11
Cited by
18
References
1
Claims

Claims

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

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