2649537

Information

• Patent Grant
• 2649537

• References
• Source

• Patent Number

  2,649,537

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1953
  71 years ago

• CPC

  • B61L5/102 - Controlling electrically

• US Classifications

  • 246 - Railway switches and signals
  • 200 - Electricity: circuit makers and breakers