1735273

Information

• Patent Grant
• 1735273

• References
• Source

• Patent Number

  1,735,273

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1929
  95 years ago

• CPC

  • B65D27/32 - Opening devices incorporated during envelope manufacture

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes