3304591

Information

• Patent Grant
• 3304591

• References
• Source

• Patent Number

  3,304,591

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1967
  58 years ago

• CPC

  • B28B21/34 - combined with vibrating or other additional compacting means

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 164 - Metal founding