1534696

Information

• Patent Grant
• 1534696

• References
• Source

• Patent Number

  1,534,696

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1925
  99 years ago

• CPC

  • B42C7/004 - Rounding the back of covers

• US Classifications

  • 412 - Bookbinding: process and apparatus
  • 184 - Lubrication