1491594

Information

• Patent Grant
• 1491594

• References
• Source

• Patent Number

  1,491,594

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1924
  100 years ago

• CPC

  • F22B37/423 - Valves for testing steam generators
  • Y10T137/88005 - Biased valve

• US Classifications

  • 474 - Endless belt power transmission systems or components
  • 137 - Fluid handling
  • 251 - Valves and valve actuation