452630

Information

• Patent Grant
• 452630

• References
• Source

• Patent Number

  452,630

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1891
  133 years ago

• CPC

  • E01D15/10 - Travelling bridges
  • Y10T137/7734 - Fluid opened valve requiring reset
  • Y10T137/7925 - Piston-type valves

• US Classifications

  • 014 - Bridges
  • 137 - Fluid handling