1451636

Information

• Patent Grant
• 1451636

• References
• Source

• Patent Number

  1,451,636

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1923
  101 years ago

• CPC

  • H05B3/80 - Portable immersion heaters
  • A47J27/21033 - with removable heating elements

• US Classifications

  • 219 - Electric heating
  • 392 - Electric resistance heating devices