647822

Information

• Patent Grant
• 647822

• References
• Source

• Patent Number

  647,822

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1900
  125 years ago

• CPC

  • B30B11/02 - using a ram exerting pressure on the material in a moulding space
  • Y10S425/131 - Yielding plunger

• US Classifications

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