3490487

Information

• Patent Grant
• 3490487

• References
• Source

• Patent Number

  3,490,487

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • A62B9/025 - with tilting opening action
  • A61M16/20 - Valves specially adapted to medical respiratory devices
  • G05D16/0694 - using a spring-loaded membrane with a spring-loaded slideable obturator
  • Y10T137/7781 - With separate connected fluid reactor surface

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation