989021

Information

• Patent Grant
• 989021

• References
• Source

• Patent Number

  989,021

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1911
  113 years ago

• CPC

  • F16T1/28 - using levers
  • Y10T137/2959 - Sinking or bucket type float

• US Classifications

  • 137 - Fluid handling