836739

Information

• Patent Grant
• 836739

• References
• Source

• Patent Number

  836,739

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1906
  118 years ago

• CPC

  • A44B11/2523 - acting parallel to the main plane of the buckle and in the same direction as the fastening action
  • Y10S411/918 - Threadless nut
  • Y10T24/209 - Paper-penetrating
  • Y10T24/45634 - Operator includes camming or wedging element

• US Classifications

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