3927869

Information

• Patent Grant
• 3927869

• References
• Source

• Patent Number

  3,927,869

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • B29B7/486 - with screws surrounded by a casing provided with grooves or cavities
  • B29C47/666 - having grooves or cavities

• US Classifications

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