| 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} |
| 163 | DF | .~ Cell enclosure structure, e.g., housing, casing, container, cover, etc. {8} |
| 164 | DF | .~.~ Cylindrical unit cell type, e.g., cup container electrode, tubular electrode, casing, etc. {3} |
| 165 | | .~.~.~ Having centrally located anode, i.e., "inside-out" type cell |