1689509

Information

• Patent Grant
• 1689509

• References
• Source

• Patent Number

  1,689,509

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1928
  96 years ago

• CPC

  • F16K31/52408 - comprising a lift valve
  • Y10S116/18 - Wave generators
  • Y10T137/6862 - Boiler or steam dome

• US Classifications

  • 105 - Railway rolling stock
  • 092 - Expansible chamber devices
  • 116 - Signals and indicators
  • 137 - Fluid handling
  • 251 - Valves and valve actuation