1531625

Information

• Patent Grant
• 1531625

• References
• Source

• Patent Number

  1,531,625

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1925
  99 years ago

• CPC

  • B42F13/30 - having a set of rods within a set of tubes for a substantial distance when closed
  • Y10T24/3683 - Button with cavity for friction grip fastener
  • Y10T24/495 - Detached cooperating structure

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 024 - Buckles, buttons, clasps, etc.
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener