3872278

Information

• Patent Grant
• 3872278

• References
• Source

• Patent Number

  3,872,278

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • H01F29/12 - having movable coil, winding, or part thereof having movable shield
  • B23K10/00 - Welding or cutting by means of a plasma
  • C21D9/56 - Continuous furnaces for strip or wire

• US Classifications

  • 219 - Electric heating
  • 315 - Electric lamp and discharge devices: systems