USD451678SExpiredUtility
Brush head of a toothbrush
Est. expiryJun 2, 2020(expired)· nominal 20-yr term from priority
Inventors:Georg Weihrauch
66
PatentIndex Score
14
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a brush head of a toothbrush, as shown.
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