3501815

Information

• Patent Grant
• 3501815

• References
• Source

• Patent Number

  3,501,815

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  54 years ago

• CPC

  • B42F13/08 - of metal
  • B42F13/02 - with flexible or resilient means

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet