3408469

Information

• Patent Grant
• 3408469

• References
• Source

• Patent Number

  3,408,469

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  56 years ago

• CPC

  • H05B3/342 - heaters used in textiles
  • H01H37/68 - sealed in evacuated or gas-filled tube
  • H05B2203/003 - using serpentine layout
  • H05B2203/014 - Heaters using resistive wires or cables not provided for in H05B3/54

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers
  • 219 - Electric heating