3420759

Information

• Patent Grant
• 3420759

• References
• Source

• Patent Number

  3,420,759

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  55 years ago

• CPC

  • B23H5/02 - Electrical discharge machining combined with electrochemical machining

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 204 - Chemistry: electrical and wave energy
  • 219 - Electric heating