USD652284SActiveUtility
Three stage manual knife sharpener
Est. expiryFeb 16, 2031(~4.5 yrs left)· nominal 20-yr term from priority
82
PatentIndex Score
28
Cited by
29
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a three stage manual knife sharpener, as shown and described.
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