2276463

Information

• Patent Grant
• 2276463

• References
• Source

• Patent Number

  2,276,463

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1942
  82 years ago

• CPC

  • B42D5/005 - Supports for note-pads
  • B42D5/001 - perforated or punched sheets
  • B42F7/04 - Covers with retention means

• US Classifications

  • 281 - Books, strips, and leaves