2156710

Information

• Patent Grant
• 2156710

• References
• Source

• Patent Number

  2,156,710

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  85 years ago

• CPC

  • B61L1/183 - Use of means on the vehicle for improving short circuit

• US Classifications

  • 246 - Railway switches and signals