1874170

Information

• Patent Grant
• 1874170

• References
• Source

• Patent Number

  1,874,170

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1932
  92 years ago

• CPC

  • C04B41/0081 - characterised by the subsequent cooling step

• US Classifications

  • 428 - Stock material or miscellaneous articles