2699740

Information

• Patent Grant
• 2699740

• References
• Source

• Patent Number

  2,699,740

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1955
  70 years ago

• CPC

  • F27D1/1858 - Doors
  • F27D1/021 - Suspended roofs
  • F27D2001/1875 - Hanging doors and walls

• US Classifications

  • 110 - Furnaces
  • 052 - Static structures
  • 432 - Heating