1988941

Information

• Patent Grant
• 1988941

• References
• Source

• Patent Number

  1,988,941

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  89 years ago

• CPC

  • G05D16/0663 - using a spring-loaded membrane with a spring-loaded slideable obturator
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/7801 - Balanced valve
  • Y10T137/7829 - Yoke has valve closing bias

• US Classifications

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