3591879

Information

• Patent Grant
• 3591879

• References
• Source

• Patent Number

  3,591,879

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • A43B7/1455 - with special properties
  • A43B13/38 - Built-in insoles joined to uppers during the manufacturing process
  • A43D23/04 - Last-carriers Shoe-guides

• US Classifications

  • 012 - Boot and shoe making
  • 036 - Boots, shoes, and leggings