498074

Information

• Patent Grant
• 498074

• References
• Source

• Patent Number

  498,074

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1893
  131 years ago

• CPC

  • E01B5/04 - Grooved rails
  • Y10T29/29 - Railway-chair making

• US Classifications

  • 238 - Railways: surface track
  • 029 - Metal working