2997607

Information

• Patent Grant
• 2997607

• References
• Source

• Patent Number

  2,997,607

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1961
  63 years ago

• CPC

  • G08C19/32 - of one conductor or channel

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 315 - Electric lamp and discharge devices: systems