3624236

Information

• Patent Grant
• 3624236

• References
• Source

• Patent Number

  3,624,236

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • B31F1/2827 - Edge treatment
  • Y10T156/1015 - Folding
  • Y10T156/1064 - Partial cutting [e.g., grooving or incising]
  • Y10T428/24231 - At opposed marginal edges
  • Y10T428/24694 - Parallel corrugations

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 229 - Envelopes, wrappers, and paperboard boxes