3557998

Information

• Patent Grant
• 3557998

• References
• Source

• Patent Number

  3,557,998

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  54 years ago

• CPC

  • B65D43/0268 - on both the inside and the outside of the mouth of the container
  • B65D2101/0023 - Tearable part of the closure
  • B65D2101/0038 - Non-metallic tear-off strips
  • B65D2101/0053 - Vertical or axial lines of weakness
  • 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
  • Y10S229/927 - Means for tearing or breaking rigid or semirigid thermoplastic container

• US Classifications

  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes