3646991

Information

• Patent Grant
• 3646991

• References
• Source

• Patent Number

  3,646,991

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • B22D7/08 - Divided ingot moulds

• US Classifications

  • 164 - Metal founding
  • 249 - Static molds