US PATENT SUBCLASS 261 / 81
.~ Reciprocating

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

Internet Version by PATENTEC © 1999      Terms of Use


261 /   HD   GAS AND LIQUID CONTACT APPARATUS

75  DF  CONTACT DEVICES {11}
81.~ Reciprocating {1}
82  DF  .~.~> Piston

DEFINITION

Classification: 261/81

Contact devices having a to-and-fro movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33,