Separating ring

Dentistry – Apparatus – Hand manipulatable implement

Reexamination Certificate

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Reexamination Certificate

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08029281

ABSTRACT:
A separating ring having a body being a resilient bent open ring and having two bent side bars having distal ends and wedge legs formed respectively on the distal ends, the wedge legs being spearheaded and fit easily between adjacent teeth to allow dental operations to be carried out easily and without the need for wedges.

REFERENCES:
patent: 388620 (1888-08-01), Booth
patent: 427338 (1890-05-01), Marshall
patent: 474132 (1892-05-01), Ivory
patent: 486112 (1892-11-01), Kuns
patent: 641672 (1900-01-01), Brigham
patent: 5607302 (1997-03-01), Garrison et al.
patent: 6206697 (2001-03-01), Hugo
patent: 6293796 (2001-09-01), Trom et al.
patent: 6325625 (2001-12-01), Meyer
patent: 6336810 (2002-01-01), Bertoletti
patent: 6589053 (2003-07-01), Bills
patent: 6666683 (2003-12-01), Mungcal
patent: 2003/0129562 (2003-07-01), Mungcal
patent: 2003/0148245 (2003-08-01), Anderson
patent: 2005/0118554 (2005-06-01), Kilcher et al.
patent: 2005/0147941 (2005-07-01), McDonald

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