US PATENT SUBCLASS 279 / 20
.~ Fluid-conduit drill holding

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

Internet Version by PATENTEC © 1999      Terms of Use


279 /   HD   CHUCKS OR SOCKETS

9.1  DF  SOCKET TYPE {27}
20.~ Fluid-conduit drill holding

DEFINITION

Classification: 279/20

(under subclass 9) Devices, having a fluid-conduit to admit oil, water, air, or other fluid to the drill or work.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings,

184+, for couplings permitting adjusting the angle between tubular members, and subclasses 189+ for a joint between a pipe end and pipe side.