US PATENT SUBCLASS 418 / 206.4
.~.~.~ Having specific inlet or outlet port shape

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

Internet Version by PATENTEC © 1999      Terms of Use


418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

191  DF  INTERENGAGING ROTATING MEMBERS {9}
205  DF  .~ Like rotary members {1}
206.1  DF  .~.~ Having each radial protuberance of like dimension {8}
206.4.~.~.~ Having specific inlet or outlet port shape

DEFINITION

Classification: 418/206.4

Having specific inlet or outlet port shape:

(under subclass 206.1) Apparatus in which the entrance or exit to a chamber has a particular configuration.