USD328612SExpiredUtility

Simulated gemstone color guide

Assignee: K G ROBERTS & ASS INCPriority: Oct 5, 1989Filed: Oct 5, 1989Granted: Aug 11, 1992
Est. expiryOct 5, 2009(expired)· nominal 20-yr term from priority
29
PatentIndex Score
2
Cited by
31
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a simulated gemstone color guide, as shown and described.

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