2489810

Information

• Patent Grant
• 2489810

• References
• Source

• Patent Number

  2,489,810

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • B22C17/10 - Turning-over pattern plate and flask only

• US Classifications

  • 164 - Metal founding