2239557

Information

• Patent Grant
• 2239557

• References
• Source

• Patent Number

  2,239,557

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1941
  84 years ago

• CPC

  • B65B43/38 - Opening hinged lids
  • Y10T74/2101 - Cams

• US Classifications

  • 053 - Package making
  • 074 - Machine element or mechanism