3220071

Information

• Patent Grant
• 3220071

• References
• Source

• Patent Number

  3,220,071

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • B22C9/24 - for hollow articles
  • B22D7/066 - Manufacturing, repairing or reinforcing ingot moulds

• US Classifications

  • 164 - Metal founding