3407754

Information

• Patent Grant
• 3407754

• References
• Source

• Patent Number

  3,407,754

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  55 years ago

• CPC

  • A21C11/002 - the shape being toroid-like
  • Y10S425/042 - Ring

• US Classifications

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