2987856

Information

• Patent Grant
• 2987856

• References
• Source

• Patent Number

  2,987,856

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • F27D1/04 - characterised by the form
  • F27D1/1858 - Doors
  • F27D2001/1875 - Hanging doors and walls

• US Classifications

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