3644704

Information

• Patent Grant
• 3644704

• References
• Source

• Patent Number

  3,644,704

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • A43B7/025 - heated by an electric current from an external source

• US Classifications

  • 219 - Electric heating
  • 180 - Motor vehicles
  • 237 - Heating systems