3121365

Information

• Patent Grant
• 3121365

• References
• Source

• Patent Number

  3,121,365

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1964
  60 years ago

• CPC

  • B43M15/00 - Drawing-pins, Thumb-tacks

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 402 - Binder device releasably engaging aperture or notch of sheet