US PATENT SUBCLASS 200 / 253
.~.~.~ Having contact cleaning structure

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

Internet Version by PATENTEC © 1999      Terms of Use


200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

237  DF  ELECTRIC SWITCH DETAILS {5}
238  DF  .~ Contact {17}
252  DF  .~.~ Sliding type {7}
253.~.~.~ Having contact cleaning structure

DEFINITION

Classification: 200/253

(under subclass 252) Subject matter, wherein the sliding or wiping motion between the contacts is designed for cleaning the contact surfaces.