US PATENT SUBCLASS 433 / 218
.~ Crown


Current as of: June, 1999
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433 /   HD   DENTISTRY

215  DF  METHOD OR MATERIAL FOR TESTING, TREATING, RESTORING, OR REMOVING NATURAL TEETH {6}
218.~ Crown {3}
219  DF  .~.~> Attachment to natural tooth or adjacent crown {1}
222.1  DF  .~.~> Composite
223  DF  .~.~> Method of fabricating


DEFINITION

Classification: 433/218

Crown:

(under subclass 215) Subject matter relating to a simulation of the exposed portion of a natural tooth adapted to be attached to and carried by the remainder of the natural tooth.

(1) Note. Crowns having artificial teeth fixed thereto which are not carried on portions of natural teeth are considered to be prosthodontic devices and are excluded from this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1, for veterinary crown slitters.

40, for a device for taking an impression of a prepared tooth prior to forming a prosthetic crown to be fixed upon the tooth.

145, for hand manipulatable crown slitters.

202.1, for artificial tooth construction or composition.