2109421

Information

• Patent Grant
• 2109421

• References
• Source

• Patent Number

  2,109,421

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1938
  86 years ago

• CPC

  • B28B21/245 - using a horizontal compacting roller in a horizontally rotatable mould

• US Classifications

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