Dentistry – Orthodontics – Means to transmit or apply force to tooth
Reexamination Certificate
2011-03-22
2011-03-22
Lewis, Ralph A. (Department: 3732)
Dentistry
Orthodontics
Means to transmit or apply force to tooth
Reexamination Certificate
active
07909602
ABSTRACT:
An orthodontic chain elastic is disclosed. The orthodontic chain elastic includes end portions, two intermediate portions disposed between the end portions and a middle portion disposed between the two intermediate portions. Pluralities of apertures are formed in each of the end portions, the intermediate portions, and the middle portion. The end portions have a greater cross section than that of the intermediate portions that in turn have a greater cross section than that of the middle portion.
REFERENCES:
patent: 5238404 (1993-08-01), Andreiko
patent: 5461133 (1995-10-01), Hammar et al.
patent: 6254383 (2001-07-01), White
patent: 6280186 (2001-08-01), Logan
patent: 2006/0147869 (2006-07-01), Hekimian
patent: 2008/0153052 (2008-06-01), Ianieri et al.
Lewis Ralph A.
Rosen Eric
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