1731017

Information

• Patent Grant
• 1731017

• References
• Source

• Patent Number

  1,731,017

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1929
  95 years ago

• CPC

  • B42D5/028 - Form set holders; Articles combined therewith
  • B42D5/023 - Continuous form sets
  • Y10T428/15 - Sheet, web, or layer weakened to permit separation through thickness
  • Y10T428/24273 - including aperture

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 400 - Typewriting machines
  • 402 - Binder device releasably engaging aperture or notch of sheet
  • 462 - Books, strips, and leaves for manifolding