Toilet – Toothpick – Having thread holder
Reexamination Certificate
2007-04-10
2007-04-10
Manahan, Todd E. (Department: 3732)
Toilet
Toothpick
Having thread holder
C132S326000, C132S327000
Reexamination Certificate
active
10840045
ABSTRACT:
A dental floss holder includes a main body, a retractable member movably mounted on a first end of the main body, a rotation member rotatably mounted in the main body and having a first end engaged with the retractable member to move the retractable member axially relative to the main body by rotation of the rotation member, and a control member rotatably mounted on a second end of the main body and engaged with a second end of the rotation member so as to rotate the rotation member. Thus, the dental floss holder is operated to stretch or release the dental floss easily and conveniently, thereby facilitating the user mounting or replacing the dental floss.
REFERENCES:
patent: 213997 (1879-04-01), Merrill
patent: 754841 (1904-03-01), Bessonet
patent: 1105005 (1914-07-01), Sonn
patent: 1158890 (1915-11-01), Bowling
patent: 1250958 (1917-12-01), Bowling et al.
patent: 1623231 (1927-04-01), Bowling et al.
patent: 2872930 (1959-02-01), Patterson
patent: 4564035 (1986-01-01), Turner
Shen Chi-Ching
Shen Chung-Shan
Kamrath Alan D.
Manahan Todd #E.
Nikolai & Mersereau , P.A.
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