3509938

Information

• Patent Grant
• 3509938

• References
• Source

• Patent Number

  3,509,938

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • B22D13/104 - Cores

• US Classifications

  • 164 - Metal founding
  • 249 - Static molds