US Patent Class 429
CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  HAVING POLARITY SAFETY FEATURE
2  DF  HAVING LIVING MATTER, E.G., MICROORGANISM, ETC.
3  DF  HAVING PULSE FEATURE
4  DF  WITH SONIC OR ULTRASONIC FEATURE
5  DF  RADIO ACTIVE MATERIAL CONTAINING
6  DF  WITH PRESSURE EQUALIZING MEANS FOR LIQUID IMMERSION OPERATION
7  DF  WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS
8  DF  HAVING DISPARATE NONELECTRICAL FUNCTION
9  DF  HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT MEANS
10  DF  HAVING MAGNETIC FIELD FEATURE
11  DF  CURRENT PRODUCTION DEPENDENT UPON TEMPERATURE DIFFERENTIAL BETWEEN A PAIR OF ELECTRODES
12  DF  FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING {10}
47  DF  HAVING EARTH FEATURE
48  DF  PRESERVING CELL IN STORAGE FEATURE
49  DF  REGENERATING, SALVAGE OR REPAIR FEATURE OTHER THAN ONLY ADDITION OF ELECTROLYTE TO CELL OR ELECTRICALLY CHARGING PER SE
50  DF  PROCESS OF CELL OPERATION {2}
53  DF  MEANS EXTERNALLY RELEASING INTERNAL GAS PRESSURE FROM CLOSED CELL, I.E., VALVE ETC. {2}
57  DF  SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS {2}
61  DF  WITH CONTROL MEANS RESPONSIVE TO BATTERY CONDITION SENSING MEANS {2}
65  DF  TERMINAL PROTECTOR OTHER THAN SEAL THROUGH CASING
66  DF  HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION
67  DF  HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION BETWEEN ELECTRODE AND ELECTROLYTE {2}
71  DF  WITH SYSTEM HAVING MEANS TO MOVE VENTILATING FLUID
72  DF  HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY) {5}
90  DF  WITH MEASURING, TESTING, OR INDICATING MEANS {1}
94  DF  PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE
95  DF  HAVING MEANS FOR DRAINING OR REMOVING ELECTROLYTE FROM A CELL OTHER THAN FILLER OPENING
96  DF  CELL SUPPORT FOR REMOVABLE CELL {4}
101  DF  FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE {2}
110  DF  DEFERRED ACTION TYPE {4}
120  DF  WITH HEAT EXCHANGE FEATURE
121  DF  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  DF  CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {16}
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FOREIGN ART COLLECTIONS
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*  DF  CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {2}