USD244540SExpiredUtility

Dental floss holder

42
Individually held — no corporate assignee on recordPriority: Apr 2, 1975Filed: Apr 2, 1975Granted: May 31, 1977
Est. expiryApr 2, 1995(expired)· nominal 20-yr term from priority
Inventors:Joseph C. DennesenColin Chisholm
42
PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a dental floss holder, as shown.

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