3871521

Information

• Patent Grant
• 3871521

• References
• Source

• Patent Number

  3,871,521

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • B65D81/113 - of a shape specially adapted to accommodate contents
  • Y10S220/902 - Foam
  • Y10S220/92 - Shock absorbing spacing element

• US Classifications

  • 206 - Special receptacle or package
  • 053 - Package making
  • 220 - Receptacles
  • 264 - Plastic and nonmetallic article shaping or treating: processes