3884239

Information

• Patent Grant
• 3884239

• References
• Source

• Patent Number

  3,884,239

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  49 years ago

• CPC

  • A61F6/22 - implantable in tubes
  • A61F6/24 - characterised by valve means

• US Classifications

  • 606 - Surgery
  • 015 - Brushing, scrubbing, and general cleaning