| 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} |
| 209 | DF | .~ Electrode {7} |
| 233 | | .~.~ Grid or holder for active material {6} |
| 234 | DF | .~.~.~> Grid or holder has nonconducting component portion thereof |
| 235 | DF | .~.~.~> Having particulate or fibrous porous mass including a sintered mass {2} |
| 238 | DF | .~.~.~> Having longitudinal electrically conducting tubes or cores |
| 239 | DF | .~.~.~> Having conductive receptacle or mechanical locking means for the active material {1} |
| 241 | DF | .~.~.~> Open mesh or perforated plate {2} |
| 245 | DF | .~.~.~> Materials chemically specified |