3789912

Information

• Patent Grant
• 3789912

• References
• Source

• Patent Number

  3,789,912

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  51 years ago

• CPC

  • B22C7/04 - Pattern plates

• US Classifications

  • 164 - Metal founding
  • D15 - Machines not elsewhere specified