USD269204SExpiredUtility
Dental hygiene device
Individually held — no corporate assignee on recordPriority: Feb 5, 1981Filed: Feb 5, 1981Granted: May 31, 1983
Est. expiryFeb 5, 2001(expired)· nominal 20-yr term from priority
Inventors:Charles A. Trepp
91
PatentIndex Score
122
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a dental hygiene device, substantially as shown.
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