2509999

Information

• Patent Grant
• 2509999

• References
• Source

• Patent Number

  2,509,999

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1950
  74 years ago

• CPC

  • B23K9/0677 - Ionization of the arc gap by means of a contact piece disposed between the electrodes
  • B23K9/208 - Ferrules
  • B23K35/0288 - Welding studs

• US Classifications

  • 219 - Electric heating