2224188

Information

• Patent Grant
• 2224188

• References
• Source

• Patent Number

  2,224,188

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1940
  84 years ago

• CPC

  • B42F13/08 - of metal
  • B42F13/04 - with cords, coils, or chains

• US Classifications

  • 281 - Books, strips, and leaves