2683331

Information

• Patent Grant
• 2683331

• References
• Source

• Patent Number

  2,683,331

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1954
  70 years ago

• CPC

  • C03B23/0496 - for expanding in a radial way

• US Classifications

  • 065 - Glass manufacturing
  • 425 - Plastic article or earthenware shaping or treating: apparatus