| Class Number |
Class Name |
Patents |
| 429/ |
Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts |
0 |
| 429/1 |
Having polarity safety feature |
111 |
| 429/10 |
Having magnetic field feature |
47 |
| 429/101 |
Fluid active material or two-fluid electrolyte combination having areas of nonmixture |
489 |
| 429/11 |
Current production dependent upon temperature differential between a pair of electrodes |
31 |
| 429/110 |
Deferred action type |
41 |
| 429/12 |
Fuel cell, subcombination thereof or methods of operating |
691 |
| 429/120 |
With heat exchange feature |
395 |
| 429/121 |
Adjuncts in combination with or for connection to an external electrical electric current carrying member of a battery other than terminal protectors, e.g., terminal adapter, caps, lifters, etc. and connectors per se |
227 |
| 429/122 |
Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts |
211 |
| 429/2 |
Having living matter, e.g., microorganism, etc. |
40 |
| 429/3 |
Having pulse feature |
22 |
| 429/4 |
With sonic or ultrasonic feature |
20 |
| 429/47 |
Having earth feature |
6 |
| 429/48 |
Preserving cell in storage feature |
94 |
| 429/49 |
Regenerating, salvage or repair feature other than only addition of electrolyte to cell or electrically charging per se |
177 |
| 429/5 |
Radio active material containing |
29 |
| 429/50 |
Process of cell operation |
264 |
| 429/53 |
Means externally releasing internal gas pressure from closed cell, i.e., valve etc. |
238 |
| 429/57 |
Sealed cell having gas prevention or elimation means |
199 |
| 429/6 |
With pressure equalizing means for liquid immersion operation |
13 |
| 429/61 |
With control means responsive to battery condition sensing means |
254 |
| 429/65 |
Terminal protector other than seal through casing |
103 |
| 429/66 |
Having means to accommodate electrode expansion |
139 |
| 429/67 |
Having movable mechanical means to provide relative motion between electrode and electrolyte |
38 |
| 429/7 |
With nonbattery electrical component electrically connected within cell casing other than testing or indicating components |
296 |
| 429/71 |
With system having means to move ventilating fluid |
50 |
| 429/72 |
Having specified venting, feeding or circulation structure (other than feeding or filling for activating deferred action-type battery) |
250 |
| 429/8 |
Having disparate nonelectrical function |
39 |
| 429/9 |
Having diverse cells or diverse removable cells in a support means |
183 |
| 429/90 |
With measuring, testing, or indicating means |
247 |
| 429/94 |
Plural concentric or single coiled electrode |
498 |
| 429/95 |
Having means for draining or removing electrolyte from a cell other than filler opening |
18 |
| 429/96 |
Cell support for removable cell |
326 |
