Class   429	CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS
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1

HAVING POLARITY SAFETY FEATURE

2

HAVING LIVING MATTER, E.G., MICROORGANISM, ETC.

3

HAVING PULSE FEATURE

4

WITH SONIC OR ULTRASONIC FEATURE

5

RADIO ACTIVE MATERIAL CONTAINING

6

WITH PRESSURE EQUALIZING MEANS FOR LIQUID IMMERSION OPERATION

7

WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS

8

HAVING DISPARATE NONELECTRICAL FUNCTION

9

HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT MEANS

10

HAVING MAGNETIC FIELD FEATURE

11

CURRENT PRODUCTION DEPENDENT UPON TEMPERATURE DIFFERENTIAL BETWEEN A PAIR OF ELECTRODES

400

FUEL CELL, SUBCOMBINATION THEREOF, OR METHOD OF MAKING OR OPERATING

47

HAVING EARTH FEATURE

48

PRESERVING CELL IN STORAGE FEATURE

49

REGENERATING, SALVAGE OR REPAIR FEATURE OTHER THAN ONLY ADDITION OF ELECTROLYTE TO CELL OR ELECTRICALLY CHARGING PER SE

50

PROCESS OF CELL OPERATION

53

MEANS EXTERNALLY RELEASING INTERNAL GAS PRESSURE FROM CLOSED CELL, I.E., VALVE ETC.

57

SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS

61

WITH CONTROL MEANS RESPONSIVE TO BATTERY CONDITION SENSING MEANS

65

TERMINAL PROTECTOR OTHER THAN SEAL THROUGH CASING

66

HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION

67

HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION BETWEEN ELECTRODE AND ELECTROLYTE

71

WITH SYSTEM HAVING MEANS TO MOVE VENTILATING FLUID

72

HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY)

90

WITH MEASURING, TESTING, OR INDICATING MEANS

94

PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE

95

HAVING MEANS FOR DRAINING OR REMOVING ELECTROLYTE FROM A CELL OTHER THAN FILLER OPENING

96

CELL SUPPORT FOR REMOVABLE CELL

101

FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE

110

DEFERRED ACTION TYPE

120

WITH HEAT EXCHANGE FEATURE

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

122

CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS

CROSS-REFERENCE ART COLLECTIONS

900

FUEL CELL INCLUDING MEANS FOR POWER CONDITIONING (E.G., CONVERSION TO AC, ETC.)

901

FUEL CELL INCLUDING MEANS FOR UTILIZATION OF HEAT FOR UNRELATED APPLICATION (E.G., HEATING A BUILDING, ETC.)

FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.

CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS

CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS (429/122)

FOR110

FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING (429/12)