3716692

Information

• Patent Grant
• 3716692

• References
• Source

• Patent Number

  3,716,692

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  52 years ago

• CPC

  • B23K3/0353 - Heating elements or heating element housings
  • B23K3/033 - comprising means for controlling or selecting the temperature or power
  • G05D23/1909 - whose output amplitude can only take two discrete values
  • G05D23/24 - the sensing element having a resistance varying with temperature

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding