3350988

Information

• Patent Grant
• 3350988

• References
• Source

• Patent Number

  3,350,988

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1967
  57 years ago

• CPC

  • B31B27/00 - Machinery characterised by making interconnected envelopes or bags
  • Y10S229/929 - Vented envelope
  • Y10S493/919 - having window
  • Y10T156/1056 - Perforating lamina

• US Classifications

  • 053 - Package making
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 493 - Manufacturing container or tube from paper