US PATENT SUBCLASS 235 / 68
.~ Ball

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

Internet Version by PATENTEC © 1999      Terms of Use


235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
68.~ Ball

DEFINITION

Classification: 235/68

(under subclass 61) Calculators wherein the registering devices are composed of balls.

SEE OR SEARCH THIS CLASS, SUBCLASS:

18, and 123, for other ball devices.