USD486052SExpiredUtility
Abrasive stone
Est. expirySep 3, 2022(expired)· nominal 20-yr term from priority
Inventors:Richard S. Smith
48
PatentIndex Score
5
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an abrasive stone, as shown and described.
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