1824119

Information

• Patent Grant
• 1824119

• References
• Source

• Patent Number

  1,824,119

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1931
  92 years ago

• CPC

  • B61L1/186 - Use of rectified alternating current

• US Classifications

  • 246 - Railway switches and signals