2082740

Information

• Patent Grant
• 2082740

• References
• Source

• Patent Number

  2,082,740

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1937
  87 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals
  • 340 - Communications: electrical
  • 367 - Communications, electrical: acoustic wave systems and devices