2903574

Information

• Patent Grant
• 2903574

• References
• Source

• Patent Number

  2,903,574

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1959
  65 years ago

• CPC

  • B61L1/187 - Use of alternating current
  • B61L1/186 - Use of rectified alternating current

• US Classifications

  • 246 - Railway switches and signals