3358693

Information

• Patent Grant
• 3358693

• References
• Source

• Patent Number

  3,358,693

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1967
  57 years ago

• CPC

  • B42D12/00 - Book-keeping books, forms or arrangements
  • B41L3/08 - with non-mechanical means for holding the elements in registered position
  • Y10S402/503 - Binder device, sheet or depository including magnetic material

• US Classifications

  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 462 - Books, strips, and leaves for manifolding
  • D19 - Office supplies