USD293696SExpiredUtility

Marble game ramp

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Assignee: DISCOVERY TOYS INCPriority: Jun 4, 1985Filed: Jun 4, 1985Granted: Jan 12, 1988
Est. expiryJun 4, 2005(expired)· nominal 20-yr term from priority
Inventors:William J. Wichman
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PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a marble game ramp, as shown and described.

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