2120770

Information

• Patent Grant
• 2120770

• References
• Source

• Patent Number

  2,120,770

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1938
  86 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/004 - Devices for draining or idling of steam cylinders or for uncoupling piston and connecting rod

• US Classifications

  • 251 - Valves and valve actuation
  • 092 - Expansible chamber devices