1522744

Information

• Patent Grant
• 1522744

• References
• Source

• Patent Number

  1,522,744

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1925
  100 years ago

• CPC

  • B22C21/06 - Bottom boards or mould boards

• US Classifications

  • 108 - Horizontally supported planar surfaces