1681131

Information

• Patent Grant
• 1681131

• References
• Source

• Patent Number

  1,681,131

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1928
  96 years ago

• CPC

  • B61L17/023 - Signalling; Signals with multiple indicating means
  • B61L17/00 - Switching systems for classification yards
  • Y10S177/08 - RR motion

• US Classifications

  • 104 - Railways
  • 177 - Weighing scales
  • 246 - Railway switches and signals