3660548

Information

• Patent Grant
• 3660548

• References
• Source

• Patent Number

  3,660,548

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  53 years ago

• CPC

  • B29C44/203 - Expanding the moulding material in a vertical channel
  • B29C44/26 - using several expanding steps
  • B29L2007/00 - Flat articles
  • B29L2009/00 - Layered products
  • Y10T428/24999 - Inorganic
  • Y10T428/249992 - Linear or thermoplastic

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles