3874002

Information

• Patent Grant
• 3874002

• References
• Source

• Patent Number

  3,874,002

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • A61M1/106 - using hydraulic or pneumatic means
  • A61M1/1089 - where the valve is formed by a flexible tube element which is clamped for restricting the flow
  • A61M1/12 - implantable into the body
  • Y10T137/7898 - Pivoted valves

• US Classifications

  • 623 - Prosthesis
  • 128 - Surgery
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 310 - Electrical generator or motor structure
  • 417 - Pumps