647431

Information

• Patent Grant
• 647431

• References
• Source

• Patent Number

  647,431

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1900
  125 years ago

• CPC

  • B28B21/32 - Feeding the material into the moulds

• US Classifications

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