1750138

Information

• Patent Grant
• 1750138

• References
• Source

• Patent Number

  1,750,138

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1930
  95 years ago

• CPC

  • B28B21/12 - tamping or ramming the material or the mould elements
  • Y10S425/218 - Pipe machine: socket forming apparatus

• US Classifications

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