1549830

Information

• Patent Grant
• 1549830

• References
• Source

• Patent Number

  1,549,830

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1925
  99 years ago

• CPC

  • F27D1/1858 - Doors
  • F27B17/0016 - Chamber type furnaces
  • F27D1/00 - Casings Linings Walls Roofs
  • F27D1/0009 - Comprising ceramic fibre elements
  • F27D2001/0073 - Surrounding protection around the furnace

• US Classifications

  • 432 - Heating