1650419

Information

• Patent Grant
• 1650419

• References
• Source

• Patent Number

  1,650,419

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1927
  97 years ago

• CPC

  • B61L1/045 - actuated by fluid-pressure

• US Classifications

  • 246 - Railway switches and signals
  • 340 - Communications: electrical