1890591

Information

• Patent Grant
• 1890591

• References
• Source

• Patent Number

  1,890,591

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1932
  92 years ago

• CPC

  • F16T1/28 - using levers
  • Y10S137/901 - Biased ball valves with operators
  • Y10T137/3046 - Gas collecting float [e.g., inverted bucket]

• US Classifications

  • 137 - Fluid handling