2853957

Information

• Patent Grant
• 2853957

• References
• Source

• Patent Number

  2,853,957

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1958
  66 years ago

• CPC

  • B61L23/10 - manually operated
  • B61L1/183 - Use of means on the vehicle for improving short circuit

• US Classifications

  • 104 - Railways
  • 246 - Railway switches and signals