US Patent Class 310
ELECTRICAL GENERATOR OR MOTOR STRUCTURE-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  EDUCATIONAL OR CONSTRUCTION UNITS OR KITS
300  DF  NON-DYNAMOELECTRIC {4}
10  DF  DYNAMOELECTRIC {5}
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CROSS-REFERENCE ART COLLECTION
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800  DF  PIEZOELECTRIC POLYMERS (E.G., MYLAR, PVDF)
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DIGESTS
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DIG 2  DF  Hysteresis rotors and motors
DIG 3  DF  Hall effect generators and converters
DIG 6  DF  Printed-circuit motors and components