2275927

Information

• Patent Grant
• 2275927

• References
• Source

• Patent Number

  2,275,927

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1942
  83 years ago

• CPC

  • B42F1/12 - Means for attaching together sheet corners exclusively

• US Classifications

  • 281 - Books, strips, and leaves