US PATENT SUBCLASS 72 / 224
.~ Included in roller-cluster


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

Internet Version by PATENTEC © 1999      Terms of Use



72 /   HD   METAL DEFORMING

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
224.~ Included in roller-cluster {1}
225  DF  .~.~> Comprising diverse roller-pairs


DEFINITION

Classification: 72/224

Included in roller cluster:

(under subclass 199) Subject matter including three or more cooperating rollers that form a roller-cluster*.

(1) Note. See the search note under the definition of subclass 100 for a locus of disclosures involving use of a roller cluster or a tool cluster.