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Class Information
Number: 429/194
Name: Chemistry: electrical current producing apparatus, product, and process >
Description:










Sub-classes under this class:

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 127
429/10 Having magnetic field feature 61
429/101 Fluid active material or two-fluid electrolyte combination having areas of nonmixture 529
429/11 Current production dependent upon temperature differential between a pair of electrodes 37
429/110 Deferred action type 48
429/12 Fuel cell, subcombination thereof or methods of operating 751
429/120 With heat exchange feature 678
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 325
429/122 Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts 402
429/2 Having living matter, e.g., microorganism, etc. 75
429/3 Having pulse feature 28
429/4 With sonic or ultrasonic feature 21
429/47 Having earth feature 10
429/48 Preserving cell in storage feature 105
429/49 Regenerating, salvage or repair feature other than only addition of electrolyte to cell or electrically charging per se 211
429/5 Radio active material containing 37
429/50 Process of cell operation 356
429/53 Means externally releasing internal gas pressure from closed cell, i.e., valve etc. 365
429/57 Sealed cell having gas prevention or elimation means 247
429/6 With pressure equalizing means for liquid immersion operation 15
429/61 With control means responsive to battery condition sensing means 424
429/65 Terminal protector other than seal through casing 139
429/66 Having means to accommodate electrode expansion 163
429/67 Having movable mechanical means to provide relative motion between electrode and electrolyte 47
429/7 With nonbattery electrical component electrically connected within cell casing other than testing or indicating components 464
429/71 With system having means to move ventilating fluid 95
429/72 Having specified venting, feeding or circulation structure (other than feeding or filling for activating deferred action-type battery) 341
429/8 Having disparate nonelectrical function 49
429/9 Having diverse cells or diverse removable cells in a support means 259
429/90 With measuring, testing, or indicating means 359
429/94 Plural concentric or single coiled electrode 676
429/95 Having means for draining or removing electrolyte from a cell other than filler opening 28
429/96 Cell support for removable cell 537


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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