2226454

Information

• Patent Grant
• 2226454

• References
• Source

• Patent Number

  2,226,454

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1940
  84 years ago

• CPC

  • B42D5/001 - perforated or punched sheets
  • B42D5/006 - combined with auxiliary devices
  • Y10T24/201 - with screw threaded or notch engaging securing means
  • Y10T24/202 - Resiliently biased
  • Y10T24/44017 - with specific mounting means for attaching to rigid or semirigid supporting structure or structure-to-be-secured

• US Classifications

  • 281 - Books, strips, and leaves
  • 024 - Buckles, buttons, clasps, etc.