2207072

Information

• Patent Grant
• 2207072

• References
• Source

• Patent Number

  2,207,072

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1940
  84 years ago

• CPC

  • C04B2/102 - of magnesia
  • C04B33/22 - Grog products

• US Classifications

  • 501 - Compositions: ceramic