2980115

Information

• Patent Grant
• 2980115

• References
• Source

• Patent Number

  2,980,115

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  63 years ago

• CPC

  • G09B29/00 - Maps Plans Charts Diagrams
  • Y10T24/3483 - and penetrating prong

• US Classifications

  • 211 - Supports: racks
  • 024 - Buckles, buttons, clasps, etc.
  • 160 - Flexible or portable closure, partition, or panel
  • 402 - Binder device releasably engaging aperture or notch of sheet