3213533

Information

• Patent Grant
• 3213533

• References
• Source

• Patent Number

  3,213,533

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1965
  59 years ago

• CPC

  • F27D1/08 - Bricks or blocks with internal reinforcement or metal backing
  • B28B23/0018 - Producing metal-clad stones, such as oven stones
  • F23M5/06 - Crowns or roofs for combustion chambers
  • Y10T29/49922 - by bending over projecting prongs
  • Y10T29/4998 - Combined manufacture including applying or shaping of fluent material

• US Classifications

  • 029 - Metal working
  • 052 - Static structures