Dentistry – Orthodontics – Bracket
Patent
1995-04-25
1996-10-08
O'Connor, Cary E.
Dentistry
Orthodontics
Bracket
A61C 700
Patent
active
055624448
ABSTRACT:
A bracket having a movable closing spring fixedly but releasably attached thereto, wherein the closing spring is movable between two positions. The closing spring is retained in the opened and closed position due to the inherent spring force and can be put on and off the base member of the bracket.
REFERENCES:
patent: 3871096 (1975-03-01), Wallshein
patent: 4023274 (1977-05-01), Wallshein
patent: 4144642 (1979-03-01), Wallshein
patent: 4248588 (1981-02-01), Hanson
patent: 4492573 (1985-01-01), Hanson
patent: 4669980 (1987-06-01), Degnan
patent: 4698017 (1987-10-01), Hanson
Heiser Wolfgang
Schendell Claus
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