2456103

Information

• Patent Grant
• 2456103

• References
• Source

• Patent Number

  2,456,103

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1948
  76 years ago

• CPC

  • A47B97/08 - foldable
  • A47B97/06 - with means for balancing weight of blackboards or the like
  • Y10T403/32459 - Retainer extends through aligned recesses
  • Y10T403/32508 - having transverse pin
  • Y10T403/32549 - including limit means

• US Classifications

  • 434 - Education and demonstration
  • 403 - Joints and connections