3811564

Information

• Patent Grant
• 3811564

• References
• Source

• Patent Number

  3,811,564

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • B65D75/5833 - for tearing out a portion of the wall
  • B65B47/02 - with means for heating the material prior to forming
  • B65D75/327 - and forming several compartments
  • B65D2575/3227 - Cuts or weakening lines
  • B65D2585/56 - for medicinal tablets or pills
  • Y10S229/927 - Means for tearing or breaking rigid or semirigid thermoplastic container

• US Classifications

  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes