US PATENT SUBCLASS 299 / 37.5
.~.~.~ Hammer and anvil type

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

29  DF  HARD MATERIAL DISINTEGRATING MACHINES {17}
36.1  DF  .~ Floor-working {3}
37.3  DF  .~.~ Impact or hammering type cutter {2}
37.5.~.~.~ Hammer and anvil type

DEFINITION

Classification: 299/37.5

Hammer and anvil-type:

(under subclass 37.3) Impact or hammering cutter wherein the falling weight pounds a specific hardened or enlarged portion of the cutting means.