2645779

Information

• Patent Grant
• 2645779

• References
• Source

• Patent Number

  2,645,779

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1953
  71 years ago

• CPC

  • A61F2/64 - Knee joints
  • A61F2002/5078 - 2-D spiral springs
  • A61F2002/6818 - for braking

• US Classifications

  • 623 - Prosthesis