USD279332SExpiredUtility

Combined seat and backrest unit for an office chair

89
Assignee: KNOLL INTERNATIONALPriority: Jun 11, 1979Filed: Jun 11, 1979Granted: Jun 25, 1985
Est. expiryJun 11, 1999(expired)· nominal 20-yr term from priority
Inventors:Niels Diffrient
89
PatentIndex Score
22
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined seat and backrest unit for an office chair, as shown and described.

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