3877137

Information

• Patent Grant
• 3877137

• References
• Source

• Patent Number

  3,877,137

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • A61B5/076 - Permanent implantations
  • A61B5/031 - Intracranial pressure
  • Y10S264/80 - Processes of waterproofing
  • Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]
  • Y10T29/49893 - Peripheral joining of opposed mirror image parts to form a hollow body

• US Classifications

  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 600 - Surgery