3820679

Information

• Patent Grant
• 3820679

• References
• Source

• Patent Number

  3,820,679

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • H02B15/04 - consisting of building blocks
  • Y10T428/24149 - Honeycomb-like

• US Classifications

  • 220 - Receptacles
  • 217 - Wooden receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 428 - Stock material or miscellaneous articles