3879921

Information

• Patent Grant
• 3879921

• References
• Source

• Patent Number

  3,879,921

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  50 years ago

• CPC

  • B67B3/2046 - using friction means for screwing the caps
  • B65B7/2807 - Feeding closures
  • B65B7/285 - by deformation of the closure

• US Classifications

  • 053 - Package making