1542850

Information

• Patent Grant
• 1542850

• References
• Source

• Patent Number

  1,542,850

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1925
  99 years ago

• CPC

  • H05B1/0211 - using the expansion of an electric conductive liquid

• US Classifications

  • 219 - Electric heating
  • 361 - Electricity: electrical systems and devices
  • 392 - Electric resistance heating devices