3257306

Information

• Patent Grant
• 3257306

• References
• Source

• Patent Number

  3,257,306

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • B23H7/32 - Maintaining desired spacing between electrode and workpiece

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 219 - Electric heating
  • 318 - Electricity: motive power systems