1778389

Information

• Patent Grant
• 1778389

• References
• Source

• Patent Number

  1,778,389

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1930
  94 years ago

• CPC

  • B28B21/32 - Feeding the material into the moulds

• US Classifications

  • 414 - Material or article handling
  • 198 - Conveyors: power-driven
  • 425 - Plastic article or earthenware shaping or treating: apparatus