USD581462SActiveUtility

Knock type eraser

51
Assignee: TOMBOW PENCILPriority: Jul 2, 2007Filed: Dec 20, 2007Granted: Nov 25, 2008
Est. expiryJul 2, 2027(~0.9 yrs left)· nominal 20-yr term from priority
Inventors:Kazunori Katami
51
PatentIndex Score
7
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a knock type eraser, as shown and described.

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