3663796

Information

• Patent Grant
• 3663796

• References
• Source

• Patent Number

  3,663,796

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • A43B7/04 - Footwear with electric batteries, generators, or the like
  • A43B3/0005 - Footwear provided with electrical or electronic systems
  • A43B7/025 - heated by an electric current from an external source
  • H05B3/342 - heaters used in textiles
  • H05B2203/016 - Heaters using particular connecting means
  • H05B2203/036 - Heaters specially adapted for garment heating

• US Classifications

  • 219 - Electric heating
  • 036 - Boots, shoes, and leggings