USD590882SActiveUtility

Knock type eraser

64
Assignee: TOMBOW PENCILPriority: Jul 2, 2007Filed: Dec 20, 2007Granted: Apr 21, 2009
Est. expiryJul 2, 2027(~0.9 yrs left)· nominal 20-yr term from priority
Inventors:Kazunori Katami
64
PatentIndex Score
13
Cited by
15
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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