3351979

Information

• Patent Grant
• 3351979

• References
• Source

• Patent Number

  3,351,979

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1967
  57 years ago

• CPC

  • B29C44/445 - in the form of expandable granules, particles or beads
  • Y10S264/16 - Molding foamed polypropylen articles
  • Y10S425/801 - Button

• US Classifications

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