2175136

Information

• Patent Grant
• 2175136

• References
• Source

• Patent Number

  2,175,136

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  85 years ago

• CPC

  • A61F2/64 - Knee joints
  • A61F2002/5073 - Helical springs
  • A61F2002/5078 - 2-D spiral springs
  • A61F2002/5086 - Lubricating means
  • A61F2002/5087 - Sound-damping or noise-reducing means
  • A61F2002/6818 - for braking

• US Classifications

  • 623 - Prosthesis