1753297

Information

• Patent Grant
• 1753297

• References
• Source

• Patent Number

  1,753,297

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1930
  94 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/001 - Valves for steam inlet or outlet
  • Y10T74/20396 - Hand operated
  • Y10T74/20426 - Slidable
  • Y10T74/20474 - Rotatable rod, shaft, or post
  • Y10T74/20654 - Gear
  • Y10T137/6862 - Boiler or steam dome

• US Classifications

  • 137 - Fluid handling
  • 074 - Machine element or mechanism
  • 251 - Valves and valve actuation