3421681

Information

• Patent Grant
• 3421681

• References
• Source

• Patent Number

  3,421,681

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  55 years ago

• CPC

  • B65D51/1611 - by means of an orifice, capillary or labyrinth passage
  • B65D43/0268 - on both the inside and the outside of the mouth of the container
  • B65D2101/0023 - Tearable part of the closure
  • B65D2205/02 - Venting holes
  • B65D2543/00092 - circular
  • B65D2543/00296 - Plastic
  • B65D2543/00509 - Cup
  • B65D2543/00537 - on the outside, or a part turned to the outside of the mouth of the container
  • B65D2543/00555 - on both the inside and the outside
  • B65D2543/00842 - outside of the lid

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 215 - Bottles and jars
  • 220 - Receptacles
  • D09 - Packages and containers for goods