1931047

Information

• Patent Grant
• 1931047

• References
• Source

• Patent Number

  1,931,047

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1933
  91 years ago

• CPC

  • B65D3/16 - Discs without flanges engaging a groove in the container body
  • B65D3/02 - characterised by shape

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes