2245891

Information

• Patent Grant
• 2245891

• References
• Source

• Patent Number

  2,245,891

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1941
  83 years ago

• CPC

  • B42D1/002 - Back of leaves or signatures prepared for binding
  • B42B2/00 - Permanently attaching together sheets, quires or signatures by stitching with filamentary material
  • B42B4/00 - Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material

• US Classifications

  • 281 - Books, strips, and leaves