2689976

Information

• Patent Grant
• 2689976

• References
• Source

• Patent Number

  2,689,976

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1954
  70 years ago

• CPC

  • B30B11/20 - Roller-and-ring machines
  • Y10S425/113 - Inner roll

• US Classifications

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