1919412

Information

• Patent Grant
• 1919412

• References
• Source

• Patent Number

  1,919,412

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • F27D1/00 - Casings Linings Walls Roofs
  • F27D2001/0073 - Surrounding protection around the furnace

• US Classifications

  • 432 - Heating