493658

Information

• Patent Grant
• 493658

• References
• Source

• Patent Number

  493,658

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1893
  131 years ago

• CPC

  • B61D27/0027 - for freight cars; Isothermic wagons
  • Y10T137/4561 - Hinged seal bowl
  • Y10T137/4621 - Seal for relatively movable valving parts

• US Classifications

  • 137 - Fluid handling