1352931

Information

• Patent Grant
• 1352931

• References
• Source

• Patent Number

  1,352,931

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1920
  104 years ago

• CPC

  • B28B3/16 - with co-operating profiled rollers

• US Classifications

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