3643351

Information

• Patent Grant
• 3643351

• References
• Source

• Patent Number

  3,643,351

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • A43B3/00 - Footwear characterised by the shape or the use
  • Y10S128/10 - Fluid amplifiers

• US Classifications

  • 036 - Boots, shoes, and leggings
  • 128 - Surgery
  • 601 - Surgery: kinesitherapy