2176611

Information

• Patent Grant
• 2176611

• References
• Source

• Patent Number

  2,176,611

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  85 years ago

• CPC

  • B61L7/086 - Common line wire control using relay distributors

• US Classifications

  • 246 - Railway switches and signals