US PATENT SUBCLASS 257 / 729
.~ Portion of housing of specific materials

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

Internet Version by PATENTEC © 1999      Terms of Use


257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

678  DF  HOUSING OR PACKAGE {18}
729.~ Portion of housing of specific materials

DEFINITION

Classification: 257/729

Portion of housing of specific materials:

(under subclass 678) Subject matter wherein at least a portion of the housing or package is made of specific materials.