3800855

Information

• Patent Grant
• 3800855

• References
• Source

• Patent Number

  3,800,855

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • B22D11/1243 - by using cooling grids or cooling plates

• US Classifications

  • 164 - Metal founding