2825801

Information

• Patent Grant
• 2825801

• References
• Source

• Patent Number

  2,825,801

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1958
  66 years ago

• CPC

  • B61L23/10 - manually operated
  • B61L1/185 - Use of direct current

• US Classifications

  • 246 - Railway switches and signals
  • 361 - Electricity: electrical systems and devices