2533590

Information

• Patent Grant
• 2533590

• References
• Source

• Patent Number

  2,533,590

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1950
  74 years ago

• CPC

  • B42F13/0066 - with means for attaching the filing appliance to the cover
  • B42F13/002 - with hinges
  • Y10T16/548 - including laminated leaf

• US Classifications

  • 281 - Books, strips, and leaves
  • 016 - Miscellaneous hardware