US PATENT SUBCLASS 418 / 258
.~.~ Spring

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

253  DF  INTERCONNECTED VANES {3}
257  DF  .~ Interposed movable member interconnects plural vanes {1}
258.~.~ Spring

DEFINITION

Classification: 418/258

(under subclass 257) Apparatus wherein the interposed member is a resilient mechanical device.