US PATENT SUBCLASS 429 / 133
.~.~.~ Cylindrical unit cell type, flat unit cell type or porous cup type

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

Internet Version by PATENTEC © 1999      Terms of Use


429 /   HD   CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS

122  DF  CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {16}
129  DF  .~ Separator, retainer or spacer insulating structure (other than a single porous flat sheet, or either an impregnated or coated sheet not having distinct layers) {4}
131  DF  .~.~ Having electrode enclosing feature {4}
133.~.~.~ Cylindrical unit cell type, flat unit cell type or porous cup type {1}
134  DF  .~.~.~.~> Paste or gel {1}

DEFINITION

Classification: 429/133

(under subclass 131) Apparatus in combination with or for use in unit cell-type batteries either cylindrical or flat. Also porous cup-type separators which generally are of carbon and are used to separate two distinct fluids in the apparatus.