US PATENT SUBCLASS 213 / 77
.~ Counterpart

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

Internet Version by PATENTEC © 1999      Terms of Use


213 /   HD   RAILWAY DRAFT APPLIANCES

75 R  DF  COUPLINGS {9}
77.~ Counterpart {2}
78  DF  .~.~> Link or bar type {7}
100 R  DF  .~.~> Interengaging hooks and knuckles {6}

DEFINITION

Classification: 213/77

Coupling devices that are alike in all their elements and can be coupled to each other without use of any additional element or elements.