3376681

Information

• Patent Grant
• 3376681

• References
• Source

• Patent Number

  3,376,681

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  56 years ago

• CPC

  • F27D1/147 - for bricks
  • F27D1/08 - Bricks or blocks with internal reinforcement or metal backing

• US Classifications

  • 052 - Static structures
  • 110 - Furnaces