3731323

Information

• Patent Grant
• 3731323

• References
• Source

• Patent Number

  3,731,323

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • A61F2/66 - Feet Ankle joints
  • A61F13/045 - Walking soles or heels
  • A61F2002/5067 - having rolling elements between articulating surfaces

• US Classifications

  • 623 - Prosthesis
  • 036 - Boots, shoes, and leggings