USD480876SExpiredUtility
Toothbrush head with stepped bristle array
Assignee: ERGONOMIC DENTAL TECHNOLOGIESPriority: Dec 21, 2000Filed: Jan 28, 2002Granted: Oct 21, 2003
Est. expiryDec 21, 2020(expired)· nominal 20-yr term from priority
Inventors:Stephen D. Harada
63
PatentIndex Score
10
Cited by
75
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for toothbrush head with stepped bristle array, as shown and described.
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