USD253362SExpiredUtility

Playground structure

88
Assignee: CREATIVE PLAYGROUNDS CORPPriority: Dec 21, 1977Filed: Dec 21, 1977Granted: Nov 6, 1979
Est. expiryDec 21, 1997(expired)· nominal 20-yr term from priority
Inventors:Berthold B. DieterCharles L. Gibson
88
PatentIndex Score
22
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for playground structure, as shown.

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