2843853

Information

• Patent Grant
• 2843853

• References
• Source

• Patent Number

  2,843,853

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1958
  66 years ago

• CPC

  • A61F2/6607 - Ankle joints
  • A61F2002/501 - having an inflatable pocket filled with fluid
  • A61F2002/503 - for adjusting elasticity, flexibility, spring rate or mechanical tension
  • A61F2002/5069 - Ball bearings
  • A61F2002/5075 - Multiple spring systems including two or more helical springs
  • A61F2002/744 - Vane- or curved-cylinder type actuators
  • A61F2002/745 - hydraulic

• US Classifications

  • 623 - Prosthesis