US PATENT SUBCLASS 37 / 343
.~.~ Rotary digging element

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

Internet Version by PATENTEC © 1999      Terms of Use


37 /   HD   EXCAVATING

307  DF  BENEATH A BODY OF WATER (E.G., DREDGER) {11}
342  DF  .~ With means to scour or scrape (e.g., propeller means, digging teeth, plow) {2}
343.~.~ Rotary digging element

DEFINITION

Classification: 37/343

Rotary digging element:

(under subclass 342) Apparatus wherein the eroding device moves in a circular path about a central axis. [figure] [caption]A - Dredger or vessel;B - Rotary digging element; C - Bottom of body of water; D - Body of water; E, F, G, H - Hoisting device