2984888

Information

• Patent Grant
• 2984888

• References
• Source

• Patent Number

  2,984,888

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1961
  63 years ago

• CPC

  • B28B1/045 - combined with vibrating or jolting
  • B28B7/183 - for building blocks or similar block-shaped objects
  • B28B7/34 - Moulds, cores, or mandrels of special material

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus