1640052

Information

• Patent Grant
• 1640052

• References
• Source

• Patent Number

  1,640,052

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1927
  97 years ago

• CPC

  • B65D75/52 - Details
  • B65D65/18 - with some areas transparent and others opaque

• US Classifications

  • 426 - Food or edible material: processes, compositions, and products
  • 229 - Envelopes, wrappers, and paperboard boxes