3581341

Information

• Patent Grant
• 3581341

• References
• Source

• Patent Number

  3,581,341

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B29C44/581 - Closure devices for pour holes
  • B29C44/424 - Details of machines
  • B29C45/28 - Closure devices therefor

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus