USD257574SExpiredUtility
Diamond design chair back
Individually held — no corporate assignee on recordPriority: Oct 16, 1978Filed: Oct 16, 1978Granted: Dec 2, 1980
Est. expiryOct 16, 1998(expired)· nominal 20-yr term from priority
Inventors:Donald E. Hanaford
39
PatentIndex Score
2
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for diamond design chair back, as shown and described.
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