US PATENT SUBCLASS 414 / 916
SHAFT MUCKING MACHINES

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

Internet Version by PATENTEC © 1999      Terms of Use


414 /   HD   MATERIAL OR ARTICLE HANDLING

916SHAFT MUCKING MACHINES

DEFINITION

Classification: 414/916

SHAFT MUCKING MACHINES:

Mechanisms for removing muck from shafts.