3338997

Information

• Patent Grant
• 3338997

• References
• Source

• Patent Number

  3,338,997

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1967
  57 years ago

• CPC

  • B29C51/325 - combined with means for forming a rim
  • B29C51/343 - having recessed undersurfaces
  • B29C51/346 - specially adapted to facilitate the destacking of nestable containers
  • B65D1/16 - of curved cross-section
  • B65D1/265 - Drinking cups
  • B29K2105/04 - cellular or porous
  • B29L2031/7132 - Bowls, Cups, Glasses

• US Classifications

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