2642638

Information

• Patent Grant
• 2642638

• References
• Source

• Patent Number

  2,642,638

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1953
  71 years ago

• CPC

  • B42F1/08 - of round cross-section
  • Y10T24/205 - One piece
  • Y10T24/3459 - and penetrating prong
  • Y10T24/46 - Pin or separate essential cooperating device therefor
  • Y10T24/4689 - and pointing in same direction

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 402 - Binder device releasably engaging aperture or notch of sheet