430383

Information

• Patent Grant
• 430383

• References
• Source

• Patent Number

  430,383

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1890
  134 years ago

• CPC

  • E01B7/16 - Jump-over frogs

• US Classifications

  • 246 - Railway switches and signals
  • 238 - Railways: surface track