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Class Information
Number: 433/154
Name: Dentistry > Apparatus > Hand manipulatable implement > Having relatively movable work engaging surfaces > Three or more relatively movable coacting surfaces
Description: Apparatus including three members, each having a work contacting face and wherein the structure connecting the members permits each of the work contacting faces to be displaced relative to the work contacting faces.

Sub-classes under this class:

Class Number Class Name Patents
433/155 Work accommodating slot or opening through surface (e.g., matrix clamp) 27

Patents under this class:

Patent Number Title Of Patent Date Issued
8496477 Dental prosthetic and restoration removal system and method Jul. 30, 2013
5306141 Veterinary tooth extractor Apr. 26, 1994
4202103 Matrix band guide and matrix retainer device May. 13, 1980
4109383 Dental implant bender Aug. 29, 1978

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