USD540542SExpiredUtility

Stepped bristle array for a toothbrush head

85
Assignee: ERGONOMIC DENTAL TECHNOLOGIESPriority: Dec 21, 2000Filed: Jan 8, 2002Granted: Apr 17, 2007
Est. expiryDec 21, 2020(expired)· nominal 20-yr term from priority
Inventors:Stephen D. Harada
85
PatentIndex Score
24
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a stepped bristle array for a toothbrush head, as shown and described.

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