2211509

Information

• Patent Grant
• 2211509

• References
• Source

• Patent Number

  2,211,509

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1940
  84 years ago

• CPC

  • A43B13/141 - with a part of the sole being flexible
  • A43B13/38 - Built-in insoles joined to uppers during the manufacturing process
  • A43D8/56 - of sole blanks by slitting

• US Classifications

  • 036 - Boots, shoes, and leggings