3570004

Information

• Patent Grant
• 3570004

• References
• Source

• Patent Number

  3,570,004

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1971
  53 years ago

• CPC

  • B23K11/248 - Electric supplies using discharge tubes

• US Classifications

  • 324 - Electricity: measuring and testing
  • 219 - Electric heating
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 340 - Communications: electrical