574431

Information

• Patent Grant
• 574431

• References
• Source

• Patent Number

  574,431

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1897
  128 years ago

• CPC

  • B61L19/02 - Interlocking devices having mechanical or fluid-pressure operation

• US Classifications

  • 246 - Railway switches and signals