3257555

Information

• Patent Grant
• 3257555

• References
• Source

• Patent Number

  3,257,555

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • B23K15/02 - Control circuits therefor
  • B23Q35/127 - using non-mechanical sensing
  • B23Q35/129 - Sensing by means of electric discharges
  • H01J37/3023 - Programme control

• US Classifications

  • 250 - Radiant energy
  • 219 - Electric heating