498489

Information

• Patent Grant
• 498489

• References
• Source

• Patent Number

  498,489

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1893
  131 years ago

• CPC

  • B61D27/0027 - for freight cars; Isothermic wagons
  • Y10T137/4561 - Hinged seal bowl

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 062 - Refrigeration
  • 184 - Lubrication