2920407

Information

• Patent Grant
• 2920407

• References
• Source

• Patent Number

  2,920,407

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • G09F1/10 - Supports or holders for show-cards
  • B42F15/066 - for hanging a single drawing
  • F16B2/005 - Means to increase the friction-coefficient
  • F16B2/14 - using wedges
  • G09F15/0018 - panel clamping or fastening means
  • Y10T24/44607 - Track or way oblique to path of gripping member

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 024 - Buckles, buttons, clasps, etc.