3668031

Information

• Patent Grant
• 3668031

• References
• Source

• Patent Number

  3,668,031

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • B29C44/1223 - Joining preformed parts which have previously been filled with foam
  • E04C2/205 - of foamed plastics, or of plastics and foamed plastics, optionally reinforced
  • B29C33/20 - Opening, closing or clamping
  • B29L2007/002 - Panels; Plates; Sheets
  • B29L2009/00 - Layered products

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus