3340461

Information

• Patent Grant
• 3340461

• References
• Source

• Patent Number

  3,340,461

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • G05F1/40 - using discharge tubes or semiconductor devices as final control devices
  • B23K11/248 - Electric supplies using discharge tubes

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 219 - Electric heating