US PATENT SUBCLASS 299 / 1.4
.~ Of hard material disintegrating machines

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

Internet Version by PATENTEC © 1999      Terms of Use


299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

1.05  DF  AUTOMATIC CONTROL; SIGNALING OR INDICATING {4}
1.4.~ Of hard material disintegrating machines {3}
1.5  DF  .~.~> Floor working
1.6  DF  .~.~> Sidewall working {1}
1.8  DF  .~.~> Of rotary cutter with advance direction coincident to rotary axis

DEFINITION

Classification: 299/1.4

Of hard material disintegrating machine:

(under subclass 1.05) Process or apparatus where power operated means drives or advances a cutting means.