3851568

Information

• Patent Grant
• 3851568

• References
• Source

• Patent Number

  3,851,568

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • B65D35/02 - Body construction
  • B21D51/36 - collapsible or like thin-walled tubes
  • B29D23/20 - Flexible squeeze tubes
  • B29C43/18 - incorporating preformed parts or layers
  • B29C2793/00 - Shaping techniques involving a cutting or machining operation
  • B29K2023/06 - PE
  • B29L2023/20 - Flexible squeeze tubes

• US Classifications

  • 493 - Manufacturing container or tube from paper