3239591

Information

• Patent Grant
• 3239591

• References
• Source

• Patent Number

  3,239,591

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1966
  58 years ago

• CPC

  • B28B21/18 - using expansible or retractable mould or core elements
  • Y10S425/044 - Rubber mold

• US Classifications

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