USD274575SExpiredUtility
Vacuum toothbrush for the disabled
Individually held — no corporate assignee on recordPriority: Mar 10, 1982Filed: Mar 10, 1982Granted: Jul 10, 1984
Est. expiryMar 10, 2002(expired)· nominal 20-yr term from priority
Inventors:Richard F. Kronner
78
PatentIndex Score
15
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a vacuum toothbrush for the disabled, as shown.
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