1979900

Information

• Patent Grant
• 1979900

• References
• Source

• Patent Number

  1,979,900

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1934
  90 years ago

• CPC

  • B42F13/30 - having a set of rods within a set of tubes for a substantial distance when closed

• US Classifications

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