2683815

Information

• Patent Grant
• 2683815

• References
• Source

• Patent Number

  2,683,815

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1954
  70 years ago

• CPC

  • H05G1/40 - using adjustable time-switch

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 200 - Electricity: circuit makers and breakers
  • 318 - Electricity: motive power systems