US PATENT SUBCLASS 29 / 898.069
.~.~.~.~ Ball making

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
898  DF  .~ Process for making bearing or component thereof {13}
898.04  DF  .~.~ Rotary bearing {3}
898.06  DF  .~.~.~ Anti-friction bearing or component thereof {7}
898.069.~.~.~.~ Ball making

DEFINITION

Classification: 29/898.069

Ball making:

(under subclass 898.06) Process of manufacturing a spheroid element for use in an anti-friction bearing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

899+, for method of making a ball of general usage.

SEE OR SEARCH CLASS

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

73, for a process of making a roll, a ring, or a hollow body by electroforming.

384, Bearings,

491, for ball structure and subclass 492 for ball composition or material. 451, Abrading,

49+, for means for the grinding of a roll or roller.