2147722

Information

• Patent Grant
• 2147722

• References
• Source

• Patent Number

  2,147,722

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1939
  85 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/002 - Valves, brakes, control or safety devices for steam engines

• US Classifications

  • 251 - Valves and valve actuation