2015507

Information

• Patent Grant
• 2015507

• References
• Source

• Patent Number

  2,015,507

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1935
  89 years ago

• CPC

  • B43M5/042 - for envelopes with only one flap
  • B43M5/045 - using heat-sensitive adhesive

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 053 - Package making