3812542

Information

• Patent Grant
• 3812542

• References
• Source

• Patent Number

  3,812,542

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • A61F2/2421 - with non-pivoting rigid closure members
  • A61F2/2409 - Support rings therefor
  • Y10T137/7916 - With closing stop
  • Y10T137/7918 - Head slidable on guide rod
  • Y10T137/7919 - Guide and seat integral unit

• US Classifications

  • 623 - Prosthesis
  • 137 - Fluid handling