2223570

Information

• Patent Grant
• 2223570

• References
• Source

• Patent Number

  2,223,570

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1940
  84 years ago

• CPC

  • A61H31/02 - "Iron-lungs"
  • Y10T137/2549 - With trip linkage or snap action
  • Y10T137/7793 - With opening bias [e.g., pressure regulator]
  • Y10T137/7831 - With mechanical movement between actuator and valve
  • Y10T137/87756 - Spring biased

• US Classifications

  • 601 - Surgery: kinesitherapy
  • 137 - Fluid handling