US PATENT SUBCLASS 429 / 146
.~.~ Having electrode spacing projections

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}
146.~.~ Having electrode spacing projections {1}
147  DF  .~.~.~> Projections are deformed portions, of a sheet material, i.e., corrugations, etc.

DEFINITION

Classification: 429/146

(under subclass 129) Apparatus having projections separating an electrode from the base sheet of the material and are other than ribs which have been attached to the base sheet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

143, for sheet material having attached ribs or projections.