US PATENT SUBCLASS 92 / 150
.~.~ Coaxial cylinder (151)

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

Internet Version by PATENTEC © 1999      Terms of Use


92 /   HD   EXPANSIBLE CHAMBER DEVICES

146  DF  PLURAL UNITARILY MOUNTED CYLINDERS OR FRAME THEREFOR (161) {2}
147  DF  .~ With casing or support for rotary shaft {3}
150.~.~ Coaxial cylinder (151)

DEFINITION

Classification: 92/150

(under subclass 147) Apparatus in which the cylinders are positioned end to end and have a common longitudinal axis.