902297

Information

• Patent Grant
• 902297

• References
• Source

• Patent Number

  902,297

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1908
  116 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals