1993891

Information

• Patent Grant
• 1993891

• References
• Source

• Patent Number

  1,993,891

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1935
  89 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/001 - Valves for steam inlet or outlet
  • Y10T137/87241 - Biased closed

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation