1401215

Information

• Patent Grant
• 1401215

• References
• Source

• Patent Number

  1,401,215

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1921
  102 years ago

• CPC

  • B22C1/12 - for manufacturing permanent moulds or cores

• US Classifications

  • 106 - Compositions: coating or plastic
  • 501 - Compositions: ceramic