1957576

Information

• Patent Grant
• 1957576

• References
• Source

• Patent Number

  1,957,576

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • F24F6/105 - using the heat of lamps

• US Classifications

  • 392 - Electric resistance heating devices
  • 219 - Electric heating
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing