3684633

Information

• Patent Grant
• 3684633

• References
• Source

• Patent Number

  3,684,633

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • A47G19/03 - for using only once
  • B29C51/14 - using multilayered preforms or sheets
  • B29C67/221 - Applying counter pressure during foaming
  • B29C51/08 - Deep drawing or matched-mould forming
  • B29K2025/00 - Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
  • B29K2105/04 - cellular or porous
  • B29K2105/256 - Sheet, plate, blank, film
  • B29L2009/00 - Layered products
  • B29L2031/7132 - Bowls, Cups, Glasses
  • B29L2031/7404 - Dishes
  • Y10S220/902 - Foam
  • Y10T428/219 - Edge structure
  • Y10T428/24628 - Nonplanar uniform thickness material
  • Y10T428/24777 - Edge feature
  • Y10T428/249988 - Of about the same composition as, and adjacent to, the void-containing component
  • Y10T428/249992 - Linear or thermoplastic

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • D07 - Equipment for preparing or serving food or drink not elsewhere specified