3857661

Information

• Patent Grant
• 3857661

• References
• Source

• Patent Number

  3,857,661

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B28B11/18 - for removing burr

• US Classifications

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