3372330

Information

• Patent Grant
• 3372330

• References
• Source

• Patent Number

  3,372,330

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1968
  57 years ago

• CPC

  • B23K9/1037 - Means preventing crater forming at the extremity of the seam

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 219 - Electric heating
  • 315 - Electric lamp and discharge devices: systems