3309494

Information

• Patent Grant
• 3309494

• References
• Source

• Patent Number

  3,309,494

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  57 years ago

• CPC

  • B23K3/03 - electrically heated
  • B23K3/0307 - with current flow through the workpiece
  • B23K11/25 - Monitoring devices
  • G05D23/1919 - characterised by the type of controller
  • G05D23/22 - the sensing element being a thermocouple

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding