1391328

Information

• Patent Grant
• 1391328

• References
• Source

• Patent Number

  1,391,328

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1921
  103 years ago

• CPC

  • B61L3/04 - controlling mechanically
  • Y10T137/1632 - Destructible element
  • Y10T137/1684 - With alarm or indicator
  • Y10T137/6866 - Railway car
  • Y10T137/6869 - Car frame

• US Classifications

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