USD258459SExpiredUtility
Skateboard ramp bowl
Individually held — no corporate assignee on recordPriority: Jun 8, 1978Filed: Jun 8, 1978Granted: Mar 3, 1981
Est. expiryJun 8, 1998(expired)· nominal 20-yr term from priority
Inventors:Douglas B. Firestone
38
PatentIndex Score
2
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a skateboard ramp bowl, as shown and described.
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