2528135

Information

• Patent Grant
• 2528135

• References
• Source

• Patent Number

  2,528,135

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1950
  74 years ago

• CPC

  • B42F13/18 - on two bars relatively movable longitudinally

• US Classifications

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