1917375

Information

• Patent Grant
• 1917375

• References
• Source

• Patent Number

  1,917,375

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1933
  91 years ago

• CPC

  • F23K3/08 - for furnaces having movable grate bars

• US Classifications

  • 110 - Furnaces
  • 236 - Automatic temperature and humidity regulation