| 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} |
| 149 | DF | .~ Plural cells {5} |
| 152 | DF | .~.~ Individual cells connected in repeating contiguous layered units {1} |
| 153 | DF | .~.~.~ Having unit enclosing housing {1} |
| 154 | | .~.~.~.~ Having sectional component {1} |
| 155 | DF | .~.~.~.~.~> Of tray, cup or dish shape in nested or telescopic relationship |