1487812

Information

• Patent Grant
• 1487812

• References
• Source

• Patent Number

  1,487,812

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1924
  100 years ago

• CPC

  • B28B3/14 - with co-operating pocketed rollers

• US Classifications

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