1818506

Information

• Patent Grant
• 1818506

• References
• Source

• Patent Number

  1,818,506

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • C04B33/16 - Lean materials

• US Classifications

  • 501 - Compositions: ceramic
  • 065 - Glass manufacturing