3509312

Information

• Patent Grant
• 3509312

• References
• Source

• Patent Number

  3,509,312

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • B23K11/362 - Contact means for supplying welding current to the electrodes

• US Classifications

  • 219 - Electric heating
  • 174 - Electricity: conductors and insulators