2113847

Information

• Patent Grant
• 2113847

• References
• Source

• Patent Number

  2,113,847

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1938
  86 years ago

• CPC

  • B61L7/085 - Common line wire control using synchronous distributors

• US Classifications

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