3509246

Information

• Patent Grant
• 3509246

• References
• Source

• Patent Number

  3,509,246

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • B29C51/346 - specially adapted to facilitate the destacking of nestable containers
  • B29C51/06 - using pressure difference for prestretching
  • B29C51/343 - having recessed undersurfaces

• US Classifications

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