US PATENT SUBCLASS 433 / 64
.~.~.~.~.~.~ Ball-and-socket

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
49  DF  .~ Work support {3}
53  DF  .~.~ Including means to support plural workpieces for relative movement {1}
54  DF  .~.~.~ Articulator or attachment therefor {7}
61  DF  .~.~.~.~ Having pivot and additional adjustment between workpiece supporting means {2}
62  DF  .~.~.~.~.~ Additional pivot {2}
64.~.~.~.~.~.~ Ball-and-socket

DEFINITION

Classification: 433/64

Ball-and-socket:

(under subclass 62) Apparatus wherein the joint comprises a spherical convex surface mated with a concave surface to allow relative swinging movement of the work carrying means in more than one plane.