3863272

Information

• Patent Grant
• 3863272

• References
• Source

• Patent Number

  3,863,272

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1975
  50 years ago

• CPC

  • B29D35/064 - using particular materials for the preformed uppers
  • A41B11/007 - Hosiery with an added sole
  • A43B1/04 - Braided, knotted, knitted, or crocheted footwear
  • A43B13/28 - characterised by their attachment, also attachment of combined soles and heels

• US Classifications

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