US Patent Class 363
ELECTRIC POWER CONVERSION SYSTEMS-- Main Headings



Electronic
File
Wrappers

Electronic
Patent
Documents

Paper
Patent
Documents

Current as of: June, 1999
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CLASS NOTES
1  DF  CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C. {3}
13  DF  CURRENT CONVERSION {25}
148  DF  PHASE CONVERSION (Ph1-Ph2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {5}
157  DF  FREQUENCY CONVERSION (f1-f2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {7}
178  DF  MISCELLANEOUS
FOR  DF  ******************************