2330045

Information

• Patent Grant
• 2330045

• References
• Source

• Patent Number

  2,330,045

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1943
  81 years ago

• CPC

  • B65D27/32 - Opening devices incorporated during envelope manufacture

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes