3581801

Information

• Patent Grant
• 3581801

• References
• Source

• Patent Number

  3,581,801

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B22C7/067 - Ejector elements

• US Classifications

  • 164 - Metal founding
  • 264 - Plastic and nonmetallic article shaping or treating: processes